2100021210022 has 16 divisors (see below), whose sum is σ = 3155037766272. Its totient is φ = 1048342141440.

The previous prime is 2100021209971. The next prime is 2100021210061. The reversal of 2100021210022 is 2200121200012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2100021209984 and 2100021210011.

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, 30095878 + ... + 30165574.

It is an arithmetic number, because the mean of its divisors is an integer number (197189860392).

Almost surely, 2^{2100021210022} is an apocalyptic number.

2100021210022 is a deficient number, since it is larger than the sum of its proper divisors (1055016556250).

2100021210022 is a wasteful number, since it uses less digits than its factorization.

2100021210022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93423.

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

Adding to 2100021210022 its reverse (2200121200012), we get a palindrome (4300142410034).

The spelling of 2100021210022 in words is "two trillion, one hundred billion, twenty-one million, two hundred ten thousand, twenty-two".