111112220010 has 48 divisors (see below), whose sum is σ = 293115882528. Its totient is φ = 26936294880.

The previous prime is 111112219987. The next prime is 111112220033. The reversal of 111112220010 is 10022211111.

It is an interprime number because it is at equal distance from previous prime (111112219987) and next prime (111112220033).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15301084 + ... + 15308343.

It is an arithmetic number, because the mean of its divisors is an integer number (6106580886).

Almost surely, 2^111112220010 is an apocalyptic number.

111112220010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111112220010 is an abundant number, since it is smaller than the sum of its proper divisors (182003662518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111112220010 is a wasteful number, since it uses less digits than its factorization.

111112220010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30609459 (or 30609448 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 111112220010 its reverse (10022211111), we get a palindrome (121134431121).

The spelling of 111112220010 in words is "one hundred eleven billion, one hundred twelve million, two hundred twenty thousand, ten".