110101999972 has 6 divisors (see below), whose sum is σ = 192678499958. Its totient is φ = 55050999984.

The previous prime is 110101999967. The next prime is 110101999993. The reversal of 110101999972 is 279999101011.

It can be written as a sum of positive squares in only one way, i.e., 96145885476 + 13956114496 = 310074^2 + 118136^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13762749993 + ... + 13762750000.

Almost surely, 2^110101999972 is an apocalyptic number.

It is an amenable number.

110101999972 is a deficient number, since it is larger than the sum of its proper divisors (82576499986).

110101999972 is a wasteful number, since it uses less digits than its factorization.

110101999972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27525499997 (or 27525499995 counting only the distinct ones).

The product of its (nonzero) digits is 91854, while the sum is 49.

The spelling of 110101999972 in words is "one hundred ten billion, one hundred one million, nine hundred ninety-nine thousand, nine hundred seventy-two".