111020220010 has 32 divisors (see below), whose sum is σ = 228491932032. Its totient is φ = 38046162240.

The previous prime is 111020220007. The next prime is 111020220053. The reversal of 111020220010 is 10022020111.

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 222957 + ... + 521296.

It is an arithmetic number, because the mean of its divisors is an integer number (7140372876).

Almost surely, 2^111020220010 is an apocalyptic number.

111020220010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111020220010 is an abundant number, since it is smaller than the sum of its proper divisors (117471712022).

111020220010 is a wasteful number, since it uses less digits than its factorization.

111020220010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746398.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 111020220010 its reverse (10022020111), we get a palindrome (121042240121).

The spelling of 111020220010 in words is "one hundred eleven billion, twenty million, two hundred twenty thousand, ten".