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2111201052000 = 253531759100019
BaseRepresentation
bin11110101110001101011…
…000111000010101100000
321110211101020020120221120
4132232031120320111200
5234042214432131000
64253512233252240
7305346346564605
oct36561530702540
97424336216846
102111201052000
1174439aa56057
122a11b8b64080
13124115833521
147427b3986ac
1539db576c6a0
hex1eb8d638560

2111201052000 has 192 divisors, whose sum is σ = 6920295782400. Its totient is φ = 562661260800.

The previous prime is 2111201051983. The next prime is 2111201052007. The reversal of 2111201052000 is 2501021112.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111201052007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21057991 + ... + 21158009.

It is an arithmetic number, because the mean of its divisors is an integer number (36043207200).

Almost surely, 22111201052000 is an apocalyptic number.

2111201052000 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 2111201052000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3460147891200).

2111201052000 is an abundant number, since it is smaller than the sum of its proper divisors (4809094730400).

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

2111201052000 is a wasteful number, since it uses less digits than its factorization.

2111201052000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101806 (or 101788 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 15.

Adding to 2111201052000 its reverse (2501021112), we get a palindrome (2113702073112).

The spelling of 2111201052000 in words is "two trillion, one hundred eleven billion, two hundred one million, fifty-two thousand".