111331043212030 has 128 divisors (see below), whose sum is σ = 208771127308800. Its totient is φ = 42694326925824.

The previous prime is 111331043211907. The next prime is 111331043212031. The reversal of 111331043212030 is 30212340133111.

It is a super-2 number, since 2×111331043212030² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111331043211986 and 111331043212004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111331043212031) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 31458332001 + ... + 31458335539.

It is an arithmetic number, because the mean of its divisors is an integer number (1631024432100).

Almost surely, 2^{111331043212030} is an apocalyptic number.

111331043212030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111331043212030 is a deficient number, since it is larger than the sum of its proper divisors (97440084096770).

111331043212030 is a wasteful number, since it uses less digits than its factorization.

111331043212030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5098.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 111331043212030 its reverse (30212340133111), we get a palindrome (141543383345141).

The spelling of 111331043212030 in words is "one hundred eleven trillion, three hundred thirty-one billion, forty-three million, two hundred twelve thousand, thirty".