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2122011010000 = 245471910115797
BaseRepresentation
bin11110111000010001101…
…101100110001111010000
321111212021121002100120101
4132320101231212033100
5234231334304310000
64302501032222144
7306211260656260
oct36702155461720
97455247070511
102122011010000
11748a37992542
122a331523a954
1312514927c28b
14749c4d197a0
153a2e97bce6a
hex1ee11b663d0

2122011010000 has 400 divisors, whose sum is σ = 6242161368960. Its totient is φ = 682387200000.

The previous prime is 2122011009991. The next prime is 2122011010033. The reversal of 2122011010000 is 101102212.

It is a tau number, because it is divible by the number of its divisors (400).

It is a super-2 number, since 2×21220110100002 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 134322102 + ... + 134337898.

Almost surely, 22122011010000 is an apocalyptic number.

2122011010000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2122011010000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3121080684480).

2122011010000 is an abundant number, since it is smaller than the sum of its proper divisors (4120150358960).

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

2122011010000 is a wasteful number, since it uses less digits than its factorization.

2122011010000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15952 (or 15931 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2122011010000 its reverse (101102212), we get a palindrome (2122112112212).

The spelling of 2122011010000 in words is "two trillion, one hundred twenty-two billion, eleven million, ten thousand".