111002110012111 has 4 divisors (see below), whose sum is σ = 111064157029000. Its totient is φ = 110940062995224.

The previous prime is 111002110012081. The next prime is 111002110012147. The reversal of 111002110012111 is 111210011200111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111002110012111 - 2³¹ = 110999962528463 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111002110012091 and 111002110012100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111002110012181) 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, 31023505761 + ... + 31023509338.

It is an arithmetic number, because the mean of its divisors is an integer number (27766039257250).

Almost surely, 2^{111002110012111} is an apocalyptic number.

111002110012111 is a deficient number, since it is larger than the sum of its proper divisors (62047016889).

111002110012111 is an equidigital number, since it uses as much as digits as its factorization.

111002110012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62047016888.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 111002110012111 its reverse (111210011200111), we get a palindrome (222212121212222).

The spelling of 111002110012111 in words is "one hundred eleven trillion, two billion, one hundred ten million, twelve thousand, one hundred eleven".