12110221020220 has 24 divisors (see below), whose sum is σ = 25433139335184. Its totient is φ = 4843769323776.

The previous prime is 12110221020217. The next prime is 12110221020241. The reversal of 12110221020220 is 2202012201121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12110221020194 and 12110221020203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19631437 + ... + 20238916.

It is an arithmetic number, because the mean of its divisors is an integer number (1059714138966).

Almost surely, 2^{12110221020220} is an apocalyptic number.

12110221020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12110221020220 is an abundant number, since it is smaller than the sum of its proper divisors (13322918314964).

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

12110221020220 is a wasteful number, since it uses less digits than its factorization.

12110221020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39885549 (or 39885547 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12110221020220 its reverse (2202012201121), we get a palindrome (14312233221341).

The spelling of 12110221020220 in words is "twelve trillion, one hundred ten billion, two hundred twenty-one million, twenty thousand, two hundred twenty".