121210102112211 has 96 divisors (see below), whose sum is σ = 212106549258240. Its totient is φ = 67729142393856.

The previous prime is 121210102112179. The next prime is 121210102112219. The reversal of 121210102112211 is 112211201012121.

It is a happy number.

121210102112211 is a `hidden beast` number, since 1 + 21 + 210 + 1 + 0 + 211 + 221 + 1 = 666.

It is not a de Polignac number, because 121210102112211 - 2⁵ = 121210102112179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121210102112219) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 89588715 + ... + 90931611.

It is an arithmetic number, because the mean of its divisors is an integer number (2209443221440).

Almost surely, 2^{121210102112211} is an apocalyptic number.

121210102112211 is a deficient number, since it is larger than the sum of its proper divisors (90896447146029).

121210102112211 is a wasteful number, since it uses less digits than its factorization.

121210102112211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344095 (or 1344083 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 121210102112211 its reverse (112211201012121), we get a palindrome (233421303124332).

The spelling of 121210102112211 in words is "one hundred twenty-one trillion, two hundred ten billion, one hundred two million, one hundred twelve thousand, two hundred eleven".