21211012001120 has 24 divisors (see below), whose sum is σ = 50111015853024. Its totient is φ = 8484404800384.

The previous prime is 21211012001119. The next prime is 21211012001131. The reversal of 21211012001120 is 2110021011212.

It is a super-2 number, since 2×21211012001120² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21211012001095 and 21211012001104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66284412344 + ... + 66284412663.

It is an arithmetic number, because the mean of its divisors is an integer number (2087958993876).

Almost surely, 2^{21211012001120} is an apocalyptic number.

21211012001120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21211012001120 is an abundant number, since it is smaller than the sum of its proper divisors (28900003851904).

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

21211012001120 is a wasteful number, since it uses less digits than its factorization.

21211012001120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132568825022 (or 132568825014 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 21211012001120 its reverse (2110021011212), we get a palindrome (23321033012332).

The spelling of 21211012001120 in words is "twenty-one trillion, two hundred eleven billion, twelve million, one thousand, one hundred twenty".