102100121222211 has 40 divisors (see below), whose sum is σ = 176000811793664. Its totient is φ = 57776490200880.

The previous prime is 102100121222189. The next prime is 102100121222213. The reversal of 102100121222211 is 112222121001201.

102100121222211 is a `hidden beast` number, since 1 + 0 + 210 + 0 + 1 + 21 + 222 + 211 = 666.

It is not a de Polignac number, because 102100121222211 - 2²² = 102100117027907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102100121222213) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 874071505 + ... + 874188306.

Almost surely, 2^{102100121222211} is an apocalyptic number.

102100121222211 is a deficient number, since it is larger than the sum of its proper divisors (73900690571453).

102100121222211 is a wasteful number, since it uses less digits than its factorization.

102100121222211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1748259933 (or 1748259924 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 102100121222211 its reverse (112222121001201), we get a palindrome (214322242223412).

The spelling of 102100121222211 in words is "one hundred two trillion, one hundred billion, one hundred twenty-one million, two hundred twenty-two thousand, two hundred eleven".