102202021200122 has 4 divisors (see below), whose sum is σ = 153303031800186. Its totient is φ = 51101010600060.

The previous prime is 102202021200029. The next prime is 102202021200173. The reversal of 102202021200122 is 221002120202201.

It is a happy number.

102202021200122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 72367364623801 + 29834656576321 = 8506901^2 + 5462111^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 102202021200122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25550505300029 + ... + 25550505300032.

Almost surely, 2^{102202021200122} is an apocalyptic number.

102202021200122 is a deficient number, since it is larger than the sum of its proper divisors (51101010600064).

102202021200122 is an equidigital number, since it uses as much as digits as its factorization.

102202021200122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51101010600063.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 102202021200122 its reverse (221002120202201), we get a palindrome (323204141402323).

The spelling of 102202021200122 in words is "one hundred two trillion, two hundred two billion, twenty-one million, two hundred thousand, one hundred twenty-two".