189111210022 has 16 divisors (see below), whose sum is σ = 324204532992. Its totient is φ = 81044189640.

The previous prime is 189111210011. The next prime is 189111210023. The reversal of 189111210022 is 220012111981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189111210023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64063 + ... + 618325.

It is an arithmetic number, because the mean of its divisors is an integer number (20262783312).

Almost surely, 2^189111210022 is an apocalyptic number.

189111210022 is a deficient number, since it is larger than the sum of its proper divisors (135093322970).

189111210022 is a wasteful number, since it uses less digits than its factorization.

189111210022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578643.

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

The spelling of 189111210022 in words is "one hundred eighty-nine billion, one hundred eleven million, two hundred ten thousand, twenty-two".