189911000120122 has 8 divisors (see below), whose sum is σ = 284866808707872. Its totient is φ = 94955397217500.

The previous prime is 189911000120053. The next prime is 189911000120123. The reversal of 189911000120122 is 221021000119981.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (189911000120123) 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, 49091904 + ... + 52818907.

It is an arithmetic number, because the mean of its divisors is an integer number (35608351088484).

Almost surely, 2^{189911000120122} is an apocalyptic number.

189911000120122 is a deficient number, since it is larger than the sum of its proper divisors (94955808587750).

189911000120122 is a wasteful number, since it uses less digits than its factorization.

189911000120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102842564.

The product of its (nonzero) digits is 5184, while the sum is 37.

The spelling of 189911000120122 in words is "one hundred eighty-nine trillion, nine hundred eleven billion, one hundred twenty thousand, one hundred twenty-two".