110000999972 has 6 divisors (see below), whose sum is σ = 192501749958. Its totient is φ = 55000499984.

The previous prime is 110000999971. The next prime is 110000999987. The reversal of 110000999972 is 279999000011.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 86046008896 + 23954991076 = 293336^2 + 154774^2 .

It is not an unprimeable number, because it can be changed into a prime (110000999971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13750124993 + ... + 13750125000.

It is an arithmetic number, because the mean of its divisors is an integer number (32083624993).

Almost surely, 2^110000999972 is an apocalyptic number.

It is an amenable number.

110000999972 is a deficient number, since it is larger than the sum of its proper divisors (82500749986).

110000999972 is a wasteful number, since it uses less digits than its factorization.

110000999972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27500249997 (or 27500249995 counting only the distinct ones).

The product of its (nonzero) digits is 91854, while the sum is 47.

Adding to 110000999972 its reverse (279999000011), we get a palindrome (389999999983).

The spelling of 110000999972 in words is "one hundred ten billion, nine hundred ninety-nine thousand, nine hundred seventy-two".