102021110300231 has 4 divisors (see below), whose sum is σ = 102059135316072. Its totient is φ = 101983085284392.

The previous prime is 102021110300189. The next prime is 102021110300287. The reversal of 102021110300231 is 132003011120201.

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 102021110300231 - 2²⁶ = 102021043191367 is a prime.

It is a super-2 number, since 2×102021110300231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102021110300531) 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, 19012503896 + ... + 19012509261.

It is an arithmetic number, because the mean of its divisors is an integer number (25514783829018).

Almost surely, 2^{102021110300231} is an apocalyptic number.

102021110300231 is a deficient number, since it is larger than the sum of its proper divisors (38025015841).

102021110300231 is an equidigital number, since it uses as much as digits as its factorization.

102021110300231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38025015840.

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

Adding to 102021110300231 its reverse (132003011120201), we get a palindrome (234024121420432).

The spelling of 102021110300231 in words is "one hundred two trillion, twenty-one billion, one hundred ten million, three hundred thousand, two hundred thirty-one".