2111221222192 has 20 divisors (see below), whose sum is σ = 4096410808216. Its totient is φ = 1054082949120.

The previous prime is 2111221222091. The next prime is 2111221222193. The reversal of 2111221222192 is 2912221221112.

It is a self number, because there is not a number n which added to its sum of digits gives 2111221222192.

It is not an unprimeable number, because it can be changed into a prime (2111221222193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95467473 + ... + 95489584.

Almost surely, 2^{2111221222192} is an apocalyptic number.

It is an amenable number.

2111221222192 is a deficient number, since it is larger than the sum of its proper divisors (1985189586024).

2111221222192 is a wasteful number, since it uses less digits than its factorization.

2111221222192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190957756 (or 190957750 counting only the distinct ones).

The product of its digits is 1152, while the sum is 28.

The spelling of 2111221222192 in words is "two trillion, one hundred eleven billion, two hundred twenty-one million, two hundred twenty-two thousand, one hundred ninety-two".