102121121200202 has 16 divisors (see below), whose sum is σ = 165828578614272. Its totient is φ = 46886056448880.

The previous prime is 102121121200181. The next prime is 102121121200213. The reversal of 102121121200202 is 202002121121201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10282024958 + ... + 10282034889.

It is an arithmetic number, because the mean of its divisors is an integer number (10364286163392).

Almost surely, 2^{102121121200202} is an apocalyptic number.

102121121200202 is a deficient number, since it is larger than the sum of its proper divisors (63707457414070).

102121121200202 is a wasteful number, since it uses less digits than its factorization.

102121121200202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20564060053.

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

Adding to 102121121200202 its reverse (202002121121201), we get a palindrome (304123242321403).

The spelling of 102121121200202 in words is "one hundred two trillion, one hundred twenty-one billion, one hundred twenty-one million, two hundred thousand, two hundred two".