102021002022222 has 24 divisors (see below), whose sum is σ = 221046082835760. Its totient is φ = 34006911681120.

The previous prime is 102021002022209. The next prime is 102021002022263. The reversal of 102021002022222 is 222220200120201.

102021002022222 is a `hidden beast` number, since 10 + 20 + 210 + 0 + 202 + 2 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 102021002022195 and 102021002022204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154479 + ... + 14285162.

It is an arithmetic number, because the mean of its divisors is an integer number (9210253451490).

Almost surely, 2^{102021002022222} is an apocalyptic number.

102021002022222 is an abundant number, since it is smaller than the sum of its proper divisors (119025080813538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102021002022222 is a wasteful number, since it uses less digits than its factorization.

102021002022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14832168 (or 14832165 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 102021002022222 its reverse (222220200120201), we get a palindrome (324241202142423).

The spelling of 102021002022222 in words is "one hundred two trillion, twenty-one billion, two million, twenty-two thousand, two hundred twenty-two".