2202012111220 has 24 divisors (see below), whose sum is σ = 4626413986824. Its totient is φ = 880387977216.

The previous prime is 2202012111199. The next prime is 2202012111287. The reversal of 2202012111220 is 221112102022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 73990528144 + 2128021583076 = 272012^2 + 1458774^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2202012111194 and 2202012111203.

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, 26010889 + ... + 26095408.

It is an arithmetic number, because the mean of its divisors is an integer number (192767249451).

Almost surely, 2^{2202012111220} is an apocalyptic number.

2202012111220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2202012111220 is an abundant number, since it is smaller than the sum of its proper divisors (2424401875604).

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

2202012111220 is a wasteful number, since it uses less digits than its factorization.

2202012111220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52108419 (or 52108417 counting only the distinct ones).

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

Adding to 2202012111220 its reverse (221112102022), we get a palindrome (2423124213242).

The spelling of 2202012111220 in words is "two trillion, two hundred two billion, twelve million, one hundred eleven thousand, two hundred twenty".