102021120111222 has 96 divisors (see below), whose sum is σ = 244185152020992. Its totient is φ = 30587872519872.

The previous prime is 102021120111191. The next prime is 102021120111301. The reversal of 102021120111222 is 222111021120201.

102021120111222 is a `hidden beast` number, since 1 + 0 + 20 + 211 + 201 + 11 + 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 = 102021120111195 and 102021120111204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17935908 + ... + 22928999.

It is an arithmetic number, because the mean of its divisors is an integer number (2543595333552).

Almost surely, 2^{102021120111222} is an apocalyptic number.

102021120111222 is an abundant number, since it is smaller than the sum of its proper divisors (142164031909770).

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

102021120111222 is a wasteful number, since it uses less digits than its factorization.

102021120111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40865202 (or 40865199 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 102021120111222 its reverse (222111021120201), we get a palindrome (324132141231423).

The spelling of 102021120111222 in words is "one hundred two trillion, twenty-one billion, one hundred twenty million, one hundred eleven thousand, two hundred twenty-two".