21132132102224 has 40 divisors (see below), whose sum is σ = 48101461538592. Its totient is φ = 8866628853120.

The previous prime is 21132132102127. The next prime is 21132132102251. The reversal of 21132132102224 is 42220123123112.

It is a super-2 number, since 2×21132132102224² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 21132132102193 and 21132132102202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4618033574 + ... + 4618038149.

Almost surely, 2^{21132132102224} is an apocalyptic number.

It is an amenable number.

21132132102224 is an abundant number, since it is smaller than the sum of its proper divisors (26969329436368).

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

21132132102224 is a wasteful number, since it uses less digits than its factorization.

21132132102224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9236071755 (or 9236071749 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 21132132102224 its reverse (42220123123112), we get a palindrome (63352255225336).

The spelling of 21132132102224 in words is "twenty-one trillion, one hundred thirty-two billion, one hundred thirty-two million, one hundred two thousand, two hundred twenty-four".