102320100202221 has 32 divisors (see below), whose sum is σ = 166222636314240. Its totient is φ = 61690875264000.

The previous prime is 102320100202211. The next prime is 102320100202231. The reversal of 102320100202221 is 122202001023201.

102320100202221 is a `hidden beast` number, since 1 + 0 + 2 + 320 + 100 + 20 + 2 + 221 = 666.

It is an interprime number because it is at equal distance from previous prime (102320100202211) and next prime (102320100202231).

It is not a de Polignac number, because 102320100202221 - 2⁶ = 102320100202157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102320100202194 and 102320100202203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102320100202211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 892461130 + ... + 892575771.

It is an arithmetic number, because the mean of its divisors is an integer number (5194457384820).

Almost surely, 2^{102320100202221} is an apocalyptic number.

102320100202221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102320100202221 is a deficient number, since it is larger than the sum of its proper divisors (63902536112019).

102320100202221 is a wasteful number, since it uses less digits than its factorization.

102320100202221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1785037114 (or 1785037108 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 102320100202221 its reverse (122202001023201), we get a palindrome (224522101225422).

The spelling of 102320100202221 in words is "one hundred two trillion, three hundred twenty billion, one hundred million, two hundred two thousand, two hundred twenty-one".