102121200022211 has 32 divisors (see below), whose sum is σ = 112816679270400. Its totient is φ = 92062948896000.

The previous prime is 102121200022187. The next prime is 102121200022213. The reversal of 102121200022211 is 112220002121201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102121200022211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102121200022211.

It is not an unprimeable number, because it can be changed into a prime (102121200022213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119252855 + ... + 120106143.

It is an arithmetic number, because the mean of its divisors is an integer number (3525521227200).

Almost surely, 2^{102121200022211} is an apocalyptic number.

102121200022211 is a deficient number, since it is larger than the sum of its proper divisors (10695479248189).

102121200022211 is a wasteful number, since it uses less digits than its factorization.

102121200022211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856731.

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

Adding to 102121200022211 its reverse (112220002121201), we get a palindrome (214341202143412).

The spelling of 102121200022211 in words is "one hundred two trillion, one hundred twenty-one billion, two hundred million, twenty-two thousand, two hundred eleven".