2020021100122 has 16 divisors (see below), whose sum is σ = 3079772022600. Its totient is φ = 993431154240.

The previous prime is 2020021100113. The next prime is 2020021100147. The reversal of 2020021100122 is 2210011200202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 848390208561 + 1171630891561 = 921081^2 + 1082419^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6343404 + ... + 6654232.

Almost surely, 2^{2020021100122} is an apocalyptic number.

2020021100122 is a deficient number, since it is larger than the sum of its proper divisors (1059750922478).

2020021100122 is a wasteful number, since it uses less digits than its factorization.

2020021100122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364161.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2020021100122 its reverse (2210011200202), we get a palindrome (4230032300324).

The spelling of 2020021100122 in words is "two trillion, twenty billion, twenty-one million, one hundred thousand, one hundred twenty-two".