111020020111 has 16 divisors (see below), whose sum is σ = 149061846528. Its totient is φ = 79854559200.

The previous prime is 111020020103. The next prime is 111020020117.

111020020111 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 111020020111 - 2³ = 111020020103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111020020117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55453555 + ... + 55455556.

It is an arithmetic number, because the mean of its divisors is an integer number (9316365408).

Almost surely, 2^111020020111 is an apocalyptic number.

111020020111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111020020111 is a deficient number, since it is larger than the sum of its proper divisors (38041826417).

111020020111 is a wasteful number, since it uses less digits than its factorization.

111020020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110909142.

The product of its (nonzero) digits is 4, while the sum is 10.

It can be divided in two parts, 1110200 and 20111, that added together give a palindrome (1130311).

The spelling of 111020020111 in words is "one hundred eleven billion, twenty million, twenty thousand, one hundred eleven".