99012120111022 has 8 divisors (see below), whose sum is σ = 151678141446816. Its totient is φ = 48452739628752.

The previous prime is 99012120110977. The next prime is 99012120111029. The reversal of 99012120111022 is 22011102121099.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99012120111029) 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, 526660213263 + ... + 526660213450.

It is an arithmetic number, because the mean of its divisors is an integer number (18959767680852).

Almost surely, 2^{99012120111022} is an apocalyptic number.

99012120111022 is a deficient number, since it is larger than the sum of its proper divisors (52666021335794).

99012120111022 is a wasteful number, since it uses less digits than its factorization.

99012120111022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053320426762.

The product of its (nonzero) digits is 1296, while the sum is 31.

The spelling of 99012120111022 in words is "ninety-nine trillion, twelve billion, one hundred twenty million, one hundred eleven thousand, twenty-two".