121112222101192 has 64 divisors (see below), whose sum is σ = 267918470691840. Its totient is φ = 50227037798400.

The previous prime is 121112222101163. The next prime is 121112222101217. The reversal of 121112222101192 is 291101222211121.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 121112222101192.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20119528 + ... + 25436584.

It is an arithmetic number, because the mean of its divisors is an integer number (4186226104560).

Almost surely, 2^{121112222101192} is an apocalyptic number.

It is an amenable number.

121112222101192 is an abundant number, since it is smaller than the sum of its proper divisors (146806248590648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121112222101192 is a wasteful number, since it uses less digits than its factorization.

121112222101192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5330222 (or 5330218 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 28.

The spelling of 121112222101192 in words is "one hundred twenty-one trillion, one hundred twelve billion, two hundred twenty-two million, one hundred one thousand, one hundred ninety-two".