102221021110021 has 16 divisors (see below), whose sum is σ = 113883308856000. Its totient is φ = 90974320624000.

The previous prime is 102221021110007. The next prime is 102221021110031. The reversal of 102221021110021 is 120011120122201.

It is not a de Polignac number, because 102221021110021 - 2³³ = 102212431175429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102221021109977 and 102221021110004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102221021110031) 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, 516800671 + ... + 516998428.

It is an arithmetic number, because the mean of its divisors is an integer number (7117706803500).

Almost surely, 2^{102221021110021} is an apocalyptic number.

102221021110021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102221021110021 is a deficient number, since it is larger than the sum of its proper divisors (11662287745979).

102221021110021 is a wasteful number, since it uses less digits than its factorization.

102221021110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033799300.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 102221021110021 its reverse (120011120122201), we get a palindrome (222232141232222).

The spelling of 102221021110021 in words is "one hundred two trillion, two hundred twenty-one billion, twenty-one million, one hundred ten thousand, twenty-one".