12220121100110 has 32 divisors (see below), whose sum is σ = 27423856184832. Its totient is φ = 3808868914080.

The previous prime is 12220121100043. The next prime is 12220121100157. The reversal of 12220121100110 is 1100112102221.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 7935142802 + ... + 7935144341.

It is an arithmetic number, because the mean of its divisors is an integer number (856995505776).

Almost surely, 2^{12220121100110} is an apocalyptic number.

12220121100110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12220121100110 is an abundant number, since it is smaller than the sum of its proper divisors (15203735084722).

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

12220121100110 is a wasteful number, since it uses less digits than its factorization.

12220121100110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15870287168.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12220121100110 its reverse (1100112102221), we get a palindrome (13320233202331).

The spelling of 12220121100110 in words is "twelve trillion, two hundred twenty billion, one hundred twenty-one million, one hundred thousand, one hundred ten".