102201011220222 has 80 divisors (see below), whose sum is σ = 241247694338640. Its totient is φ = 32248729003392.

The previous prime is 102201011220211. The next prime is 102201011220337. The reversal of 102201011220222 is 222022110102201.

It is a happy number.

102201011220222 is a `hidden beast` number, since 1 + 0 + 220 + 1 + 0 + 1 + 1 + 220 + 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 = 102201011220195 and 102201011220204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9070063 + ... + 16931274.

It is an arithmetic number, because the mean of its divisors is an integer number (3015596179233).

Almost surely, 2^{102201011220222} is an apocalyptic number.

102201011220222 is an abundant number, since it is smaller than the sum of its proper divisors (139046683118418).

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

102201011220222 is a wasteful number, since it uses less digits than its factorization.

102201011220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26002647 (or 26002638 counting only the distinct ones).

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

Adding to 102201011220222 its reverse (222022110102201), we get a palindrome (324223121322423).

The spelling of 102201011220222 in words is "one hundred two trillion, two hundred one billion, eleven million, two hundred twenty thousand, two hundred twenty-two".