1121022220110 has 32 divisors (see below), whose sum is σ = 2897411277600. Its totient is φ = 275943931008.

The previous prime is 1121022220103. The next prime is 1121022220151. The reversal of 1121022220110 is 110222201211.

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 1121022220110.

It is a congruent number.

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, 1437207585 + ... + 1437208364.

It is an arithmetic number, because the mean of its divisors is an integer number (90544102425).

Almost surely, 2^{1121022220110} is an apocalyptic number.

1121022220110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121022220110 is an abundant number, since it is smaller than the sum of its proper divisors (1776389057490).

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

1121022220110 is a wasteful number, since it uses less digits than its factorization.

1121022220110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2874415972.

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

Adding to 1121022220110 its reverse (110222201211), we get a palindrome (1231244421321).

The spelling of 1121022220110 in words is "one trillion, one hundred twenty-one billion, twenty-two million, two hundred twenty thousand, one hundred ten".