111210000012111 has 96 divisors (see below), whose sum is σ = 206019038385664. Its totient is φ = 51886188921600.

The previous prime is 111210000012101. The next prime is 111210000012197.

111210000012111 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 111210000012111 - 2⁵ = 111210000012079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111210000012101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 44272825 + ... + 46717266.

Almost surely, 2^{111210000012111} is an apocalyptic number.

111210000012111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111210000012111 is a deficient number, since it is larger than the sum of its proper divisors (94809038373553).

111210000012111 is a wasteful number, since it uses less digits than its factorization.

111210000012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90990173 (or 90990162 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

It can be divided in two parts, 1112100000 and 12111, that added together give a palindrome (1112112111).

The spelling of 111210000012111 in words is "one hundred eleven trillion, two hundred ten billion, twelve thousand, one hundred eleven".