111113220010 has 32 divisors (see below), whose sum is σ = 215426714832. Its totient is φ = 41019179520.

The previous prime is 111113220007. The next prime is 111113220011. The reversal of 111113220010 is 10022311111.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 29515583601 + 81597636409 = 171801^2 + 285653^2 .

It is a super-2 number, since 2×111113220010² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (111113220011) 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, 694140 + ... + 839080.

Almost surely, 2^111113220010 is an apocalyptic number.

111113220010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111113220010 is a deficient number, since it is larger than the sum of its proper divisors (104313494822).

111113220010 is a wasteful number, since it uses less digits than its factorization.

111113220010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150858.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 111113220010 its reverse (10022311111), we get a palindrome (121135531121).

The spelling of 111113220010 in words is "one hundred eleven billion, one hundred thirteen million, two hundred twenty thousand, ten".