102201112122112 has 36 divisors (see below), whose sum is σ = 204197475472200. Its totient is φ = 51051842336768.

The previous prime is 102201112122091. The next prime is 102201112122157. The reversal of 102201112122112 is 211221211102201.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 102201112122112.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190018918 + ... + 190556005.

It is an arithmetic number, because the mean of its divisors is an integer number (5672152096450).

Almost surely, 2^{102201112122112} is an apocalyptic number.

It is an amenable number.

102201112122112 is a deficient number, since it is larger than the sum of its proper divisors (101996363350088).

102201112122112 is an equidigital number, since it uses as much as digits as its factorization.

102201112122112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380575988 (or 380575974 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 102201112122112 its reverse (211221211102201), we get a palindrome (313422323224313).

The spelling of 102201112122112 in words is "one hundred two trillion, two hundred one billion, one hundred twelve million, one hundred twenty-two thousand, one hundred twelve".