111100020010 has 32 divisors (see below), whose sum is σ = 228708754560. Its totient is φ = 38064745152.

The previous prime is 111100019977. The next prime is 111100020023. The reversal of 111100020010 is 10020001111.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a junction number, because it is equal to n+sod(n) for n = 111100019975 and 111100020002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 455304 + ... + 655363.

It is an arithmetic number, because the mean of its divisors is an integer number (7147148580).

Almost surely, 2^111100020010 is an apocalyptic number.

111100020010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111100020010 is an abundant number, since it is smaller than the sum of its proper divisors (117608734550).

111100020010 is a wasteful number, since it uses less digits than its factorization.

111100020010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112110.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 111100020010 its reverse (10020001111), we get a palindrome (121120021121).

The spelling of 111100020010 in words is "one hundred eleven billion, one hundred million, twenty thousand, ten".