102302220021232 has 160 divisors (see below), whose sum is σ = 247977624559104. Its totient is φ = 39719793484800.

The previous prime is 102302220021181. The next prime is 102302220021257. The reversal of 102302220021232 is 232120022203201.

It is a super-2 number, since 2×102302220021232² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 586740307 + ... + 586914637.

Almost surely, 2^{102302220021232} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102302220021232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123988812279552).

102302220021232 is an abundant number, since it is smaller than the sum of its proper divisors (145675404537872).

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

102302220021232 is a wasteful number, since it uses less digits than its factorization.

102302220021232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176007 (or 176001 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 102302220021232 its reverse (232120022203201), we get a palindrome (334422242224433).

The spelling of 102302220021232 in words is "one hundred two trillion, three hundred two billion, two hundred twenty million, twenty-one thousand, two hundred thirty-two".