102122201221002 has 16 divisors (see below), whose sum is σ = 226938224935680. Its totient is φ = 34040733740316.

The previous prime is 102122201220967. The next prime is 102122201221013. The reversal of 102122201221002 is 200122102221201.

It is a happy number.

102122201221002 is a `hidden beast` number, since 10 + 212 + 220 + 1 + 221 + 0 + 0 + 2 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 945575937178 + ... + 945575937285.

It is an arithmetic number, because the mean of its divisors is an integer number (14183639058480).

Almost surely, 2^{102122201221002} is an apocalyptic number.

102122201221002 is an abundant number, since it is smaller than the sum of its proper divisors (124816023714678).

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

102122201221002 is a wasteful number, since it uses less digits than its factorization.

102122201221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1891151874474 (or 1891151874468 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 102122201221002 its reverse (200122102221201), we get a palindrome (302244303442203).

The spelling of 102122201221002 in words is "one hundred two trillion, one hundred twenty-two billion, two hundred one million, two hundred twenty-one thousand, two".