111020102210 has 16 divisors (see below), whose sum is σ = 201776342976. Its totient is φ = 43976894448.

The previous prime is 111020102201. The next prime is 111020102257. The reversal of 111020102210 is 12201020111.

It is a junction number, because it is equal to n+sod(n) for n = 111020102191 and 111020102200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53892224 + ... + 53894283.

It is an arithmetic number, because the mean of its divisors is an integer number (12611021436).

Almost surely, 2^111020102210 is an apocalyptic number.

111020102210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111020102210 is a deficient number, since it is larger than the sum of its proper divisors (90756240766).

111020102210 is a wasteful number, since it uses less digits than its factorization.

111020102210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107786617.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 111020102210 its reverse (12201020111), we get a palindrome (123221122321).

The spelling of 111020102210 in words is "one hundred eleven billion, twenty million, one hundred two thousand, two hundred ten".