21133023123102 has 48 divisors (see below), whose sum is σ = 46459509432336. Its totient is φ = 6403699772800.

The previous prime is 21133023123089. The next prime is 21133023123139. The reversal of 21133023123102 is 20132132033112.

It is a super-2 number, since 2×21133023123102² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18762202 + ... + 19856642.

It is an arithmetic number, because the mean of its divisors is an integer number (967906446507).

Almost surely, 2^{21133023123102} is an apocalyptic number.

21133023123102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21133023123102 is an abundant number, since it is smaller than the sum of its proper divisors (25326486309234).

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

21133023123102 is a wasteful number, since it uses less digits than its factorization.

21133023123102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121065 (or 1121054 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 21133023123102 its reverse (20132132033112), we get a palindrome (41265155156214).

The spelling of 21133023123102 in words is "twenty-one trillion, one hundred thirty-three billion, twenty-three million, one hundred twenty-three thousand, one hundred two".