111020021022210 has 32 divisors (see below), whose sum is σ = 266926413241152. Its totient is φ = 29552187518400.

The previous prime is 111020021022203. The next prime is 111020021022221. The reversal of 111020021022210 is 12220120020111.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 111020021022210.

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, 3321946816 + ... + 3321980235.

It is an arithmetic number, because the mean of its divisors is an integer number (8341450413786).

Almost surely, 2^{111020021022210} is an apocalyptic number.

111020021022210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111020021022210 is an abundant number, since it is smaller than the sum of its proper divisors (155906392218942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111020021022210 is a wasteful number, since it uses less digits than its factorization.

111020021022210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6643927618.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 111020021022210 its reverse (12220120020111), we get a palindrome (123240141042321).

The spelling of 111020021022210 in words is "one hundred eleven trillion, twenty billion, twenty-one million, twenty-two thousand, two hundred ten".