111123010010 has 32 divisors (see below), whose sum is σ = 200300929920. Its totient is φ = 44387145792.

The previous prime is 111123009989. The next prime is 111123010039. The reversal of 111123010010 is 10010321111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111123009973 and 111123010000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36588212 + ... + 36591248.

It is an arithmetic number, because the mean of its divisors is an integer number (6259404060).

Almost surely, 2^111123010010 is an apocalyptic number.

111123010010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111123010010 is a deficient number, since it is larger than the sum of its proper divisors (89177919910).

111123010010 is a wasteful number, since it uses less digits than its factorization.

111123010010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6950.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 111123010010 its reverse (10010321111), we get a palindrome (121133331121).

The spelling of 111123010010 in words is "one hundred eleven billion, one hundred twenty-three million, ten thousand, ten".