102520111112101 has 8 divisors (see below), whose sum is σ = 103987435129344. Its totient is φ = 101053436505840.

The previous prime is 102520111112063. The next prime is 102520111112113. The reversal of 102520111112101 is 101211111025201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102520111112101 - 2³³ = 102511521177509 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 (102520111112161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162034750 + ... + 162666223.

It is an arithmetic number, because the mean of its divisors is an integer number (12998429391168).

Almost surely, 2^{102520111112101} is an apocalyptic number.

It is an amenable number.

102520111112101 is a deficient number, since it is larger than the sum of its proper divisors (1467324017243).

102520111112101 is an equidigital number, since it uses as much as digits as its factorization.

102520111112101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324705491.

The product of its (nonzero) digits is 40, while the sum is 19.

Adding to 102520111112101 its reverse (101211111025201), we get a palindrome (203731222137302).

The spelling of 102520111112101 in words is "one hundred two trillion, five hundred twenty billion, one hundred eleven million, one hundred twelve thousand, one hundred one".