102332111021 has 10 divisors (see below), whose sum is σ = 119380362222. Its totient is φ = 87713235960.

The previous prime is 102332110967. The next prime is 102332111053. The reversal of 102332111021 is 120111233201.

It can be written as a sum of positive squares in only one way, i.e., 83975925796 + 18356185225 = 289786^2 + 135485^2 .

It is not a de Polignac number, because 102332111021 - 2⁶ = 102332110957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102332113021) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 21307910 + ... + 21312711.

Almost surely, 2^102332111021 is an apocalyptic number.

It is an amenable number.

102332111021 is a deficient number, since it is larger than the sum of its proper divisors (17048251201).

102332111021 is an frugal number, since it uses more digits than its factorization.

102332111021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42620649 (or 42620628 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 102332111021 its reverse (120111233201), we get a palindrome (222443344222).

The spelling of 102332111021 in words is "one hundred two billion, three hundred thirty-two million, one hundred eleven thousand, twenty-one".