2122112202020 has 24 divisors (see below), whose sum is σ = 4457667856824. Its totient is φ = 848610169856.

The previous prime is 2122112202017. The next prime is 2122112202029. The reversal of 2122112202020 is 202022112212.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 45683077696 + 2076429124324 = 213736^2 + 1440982^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2122112202020.

It is not an unprimeable number, because it can be changed into a prime (2122112202029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14595287 + ... + 14739966.

It is an arithmetic number, because the mean of its divisors is an integer number (185736160701).

Almost surely, 2^{2122112202020} is an apocalyptic number.

2122112202020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122112202020 is an abundant number, since it is smaller than the sum of its proper divisors (2335555654804).

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

2122112202020 is a wasteful number, since it uses less digits than its factorization.

2122112202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29338879 (or 29338877 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2122112202020 its reverse (202022112212), we get a palindrome (2324134314232).

The spelling of 2122112202020 in words is "two trillion, one hundred twenty-two billion, one hundred twelve million, two hundred two thousand, twenty".