2000221100122 has 24 divisors (see below), whose sum is σ = 3490354335060. Its totient is φ = 857195216640.

The previous prime is 2000221100099. The next prime is 2000221100167. The reversal of 2000221100122 is 2210011220002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1937466341041 + 62754759081 = 1391929^2 + 250509^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1528404 + ... + 2517232.

Almost surely, 2^{2000221100122} is an apocalyptic number.

2000221100122 is a deficient number, since it is larger than the sum of its proper divisors (1490133234938).

2000221100122 is a wasteful number, since it uses less digits than its factorization.

2000221100122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009486 (or 1009479 counting only the distinct ones).

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

Adding to 2000221100122 its reverse (2210011220002), we get a palindrome (4210232320124).

The spelling of 2000221100122 in words is "two trillion, two hundred twenty-one million, one hundred thousand, one hundred twenty-two".