102101322302021 has 16 divisors (see below), whose sum is σ = 123551446783104. Its totient is φ = 82367275382784.

The previous prime is 102101322302017. The next prime is 102101322302029. The reversal of 102101322302021 is 120203223101201.

It is not a de Polignac number, because 102101322302021 - 2² = 102101322302017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102101322301984 and 102101322302002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102101322302029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106990646 + ... + 107940728.

It is an arithmetic number, because the mean of its divisors is an integer number (7721965423944).

Almost surely, 2^{102101322302021} is an apocalyptic number.

It is an amenable number.

102101322302021 is a deficient number, since it is larger than the sum of its proper divisors (21450124481083).

102101322302021 is an equidigital number, since it uses as much as digits as its factorization.

102101322302021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1853180.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 102101322302021 its reverse (120203223101201), we get a palindrome (222304545403222).

The spelling of 102101322302021 in words is "one hundred two trillion, one hundred one billion, three hundred twenty-two million, three hundred two thousand, twenty-one".