102202012101122 has 4 divisors (see below), whose sum is σ = 153303018151686. Its totient is φ = 51101006050560.

The previous prime is 102202012101103. The next prime is 102202012101193. The reversal of 102202012101122 is 221101210202201.

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., 84883588606441 + 17318423494681 = 9213229^2 + 4161541^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 102202012101122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25550503025279 + ... + 25550503025282.

Almost surely, 2^{102202012101122} is an apocalyptic number.

102202012101122 is a deficient number, since it is larger than the sum of its proper divisors (51101006050564).

102202012101122 is an equidigital number, since it uses as much as digits as its factorization.

102202012101122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51101006050563.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102202012101122 its reverse (221101210202201), we get a palindrome (323303222303323).

The spelling of 102202012101122 in words is "one hundred two trillion, two hundred two billion, twelve million, one hundred one thousand, one hundred twenty-two".