12021120022110 has 32 divisors (see below), whose sum is σ = 29115373272480. Its totient is φ = 3176222537088.

The previous prime is 12021120022069. The next prime is 12021120022169. The reversal of 12021120022110 is 1122002112021.

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 12021120022110.

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, 1838088477 + ... + 1838095016.

It is an arithmetic number, because the mean of its divisors is an integer number (909855414765).

Almost surely, 2^{12021120022110} is an apocalyptic number.

12021120022110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12021120022110 is an abundant number, since it is smaller than the sum of its proper divisors (17094253250370).

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

12021120022110 is a wasteful number, since it uses less digits than its factorization.

12021120022110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3676183612.

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

Adding to 12021120022110 its reverse (1122002112021), we get a palindrome (13143122134131).

The spelling of 12021120022110 in words is "twelve trillion, twenty-one billion, one hundred twenty million, twenty-two thousand, one hundred ten".