12220122121110 has 48 divisors (see below), whose sum is σ = 31794184556784. Its totient is φ = 3256456458816.

The previous prime is 12220122121099. The next prime is 12220122121133. The reversal of 12220122121110 is 1112122102221.

12220122121110 is a `hidden beast` number, since 1 + 2 + 220 + 1 + 221 + 211 + 10 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46592952 + ... + 46854491.

It is an arithmetic number, because the mean of its divisors is an integer number (662378844933).

Almost surely, 2^{12220122121110} is an apocalyptic number.

12220122121110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12220122121110 is an abundant number, since it is smaller than the sum of its proper divisors (19574062435674).

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

12220122121110 is a wasteful number, since it uses less digits than its factorization.

12220122121110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93448909 (or 93448906 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12220122121110 its reverse (1112122102221), we get a palindrome (13332244223331).

The spelling of 12220122121110 in words is "twelve trillion, two hundred twenty billion, one hundred twenty-two million, one hundred twenty-one thousand, one hundred ten".