102021222112110 has 192 divisors, whose sum is σ = 319377430785600. Its totient is φ = 23105199124224.

The previous prime is 102021222112093. The next prime is 102021222112151. The reversal of 102021222112110 is 11211222120201.

102021222112110 is a `hidden beast` number, since 1 + 0 + 20 + 212 + 221 + 1 + 211 + 0 = 666.

It is a super-2 number, since 2×102021222112110² (a number of 29 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 33931117 + ... + 36815256.

It is an arithmetic number, because the mean of its divisors is an integer number (1663424118675).

Almost surely, 2^{102021222112110} is an apocalyptic number.

102021222112110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102021222112110 is an abundant number, since it is smaller than the sum of its proper divisors (217356208673490).

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

102021222112110 is a wasteful number, since it uses less digits than its factorization.

102021222112110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70746512 (or 70746499 counting only the distinct ones).

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

Adding to 102021222112110 its reverse (11211222120201), we get a palindrome (113232444232311).

The spelling of 102021222112110 in words is "one hundred two trillion, twenty-one billion, two hundred twenty-two million, one hundred twelve thousand, one hundred ten".