102132221023 has 4 divisors (see below), whose sum is σ = 116722538320. Its totient is φ = 87541903728.

The previous prime is 102132221003. The next prime is 102132221041. The reversal of 102132221023 is 320122231201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102132221023 - 2⁵ = 102132220991 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 (102132221003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7295158638 + ... + 7295158651.

It is an arithmetic number, because the mean of its divisors is an integer number (29180634580).

Almost surely, 2^102132221023 is an apocalyptic number.

102132221023 is a deficient number, since it is larger than the sum of its proper divisors (14590317297).

102132221023 is an equidigital number, since it uses as much as digits as its factorization.

102132221023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14590317296.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 102132221023 its reverse (320122231201), we get a palindrome (422254452224).

The spelling of 102132221023 in words is "one hundred two billion, one hundred thirty-two million, two hundred twenty-one thousand, twenty-three".