121102031100213 has 32 divisors (see below), whose sum is σ = 183424892198400. Its totient is φ = 78931871428608.

The previous prime is 121102031100163. The next prime is 121102031100229. The reversal of 121102031100213 is 312001130201121.

121102031100213 is a `hidden beast` number, since 12 + 110 + 20 + 311 + 0 + 0 + 213 = 666.

It is not a de Polignac number, because 121102031100213 - 2¹⁸ = 121102030838069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121102031104213) 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, 50183356 + ... + 52541157.

It is an arithmetic number, because the mean of its divisors is an integer number (5732027881200).

Almost surely, 2^{121102031100213} is an apocalyptic number.

It is an amenable number.

121102031100213 is a deficient number, since it is larger than the sum of its proper divisors (62322861098187).

121102031100213 is a wasteful number, since it uses less digits than its factorization.

121102031100213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102725498 (or 102725492 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 121102031100213 its reverse (312001130201121), we get a palindrome (433103161301334).

The spelling of 121102031100213 in words is "one hundred twenty-one trillion, one hundred two billion, thirty-one million, one hundred thousand, two hundred thirteen".