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2103001122222 = 232711131726925523
BaseRepresentation
bin11110100110100100101…
…000101000010110101110
321110001012202121222221200
4132212210220220112232
5233423421241402342
64250034432310330
7304636220412030
oct36464450502656
97401182558850
102103001122222
11740972343490
1229b6aa9a23a6
13123409a5c080
1473b00329c50
1539a8592d94c
hex1e9a4a285ae

2103001122222 has 384 divisors, whose sum is σ = 6502028682240. Its totient is φ = 472773611520.

The previous prime is 2103001122139. The next prime is 2103001122227. The reversal of 2103001122222 is 2222211003012.

2103001122222 is a `hidden beast` number, since 21 + 0 + 300 + 1 + 122 + 222 = 666.

It is a super-2 number, since 2×21030011222222 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2103001122195 and 2103001122204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103001122227) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 82383553 + ... + 82409075.

It is an arithmetic number, because the mean of its divisors is an integer number (16932366360).

Almost surely, 22103001122222 is an apocalyptic number.

2103001122222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2103001122222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3251014341120).

2103001122222 is an abundant number, since it is smaller than the sum of its proper divisors (4399027560018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2103001122222 is a wasteful number, since it uses less digits than its factorization.

2103001122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25848 (or 25845 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 2103001122222 its reverse (2222211003012), we get a palindrome (4325212125234).

The spelling of 2103001122222 in words is "two trillion, one hundred three billion, one million, one hundred twenty-two thousand, two hundred twenty-two".