111023102012010 has 128 divisors (see below), whose sum is σ = 273627216737280. Its totient is φ = 28816640431104.

The previous prime is 111023102011981. The next prime is 111023102012059. The reversal of 111023102012010 is 10210201320111.

It is a super-2 number, since 2×111023102012010² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 211001772 + ... + 211527288.

It is an arithmetic number, because the mean of its divisors is an integer number (2137712630760).

Almost surely, 2^{111023102012010} is an apocalyptic number.

111023102012010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 111023102012010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136813608368640).

111023102012010 is an abundant number, since it is smaller than the sum of its proper divisors (162604114725270).

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

111023102012010 is a wasteful number, since it uses less digits than its factorization.

111023102012010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526400.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 111023102012010 its reverse (10210201320111), we get a palindrome (121233303332121).

The spelling of 111023102012010 in words is "one hundred eleven trillion, twenty-three billion, one hundred two million, twelve thousand, ten".