111023013213030 has 128 divisors (see below), whose sum is σ = 273808005875712. Its totient is φ = 28797281146368.

The previous prime is 111023013213019. The next prime is 111023013213061. The reversal of 111023013213030 is 30312310320111.

It is a happy number.

It is a super-2 number, since 2×111023013213030² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111023013212988 and 111023013213006.

It is a congruent number.

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, 251717052 + ... + 252157728.

It is an arithmetic number, because the mean of its divisors is an integer number (2139125045904).

Almost surely, 2^{111023013213030} is an apocalyptic number.

111023013213030 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 111023013213030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136904002937856).

111023013213030 is an abundant number, since it is smaller than the sum of its proper divisors (162784992662682).

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

111023013213030 is a wasteful number, since it uses less digits than its factorization.

111023013213030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441838.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 111023013213030 its reverse (30312310320111), we get a palindrome (141335323533141).

The spelling of 111023013213030 in words is "one hundred eleven trillion, twenty-three billion, thirteen million, two hundred thirteen thousand, thirty".