2100220021122 has 8 divisors (see below), whose sum is σ = 4200440042256. Its totient is φ = 700073340372.

The previous prime is 2100220021117. The next prime is 2100220021153. The reversal of 2100220021122 is 2211200220012.

It is a sphenic number, since it is the product of 3 distinct primes.

2100220021122 is an admirable number.

It is a super-2 number, since 2×2100220021122² (a number of 25 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 175018335088 + ... + 175018335099.

It is an arithmetic number, because the mean of its divisors is an integer number (525055005282).

Almost surely, 2^{2100220021122} is an apocalyptic number.

2100220021122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2100220021122 is a wasteful number, since it uses less digits than its factorization.

2100220021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350036670192.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2100220021122 its reverse (2211200220012), we get a palindrome (4311420241134).

The spelling of 2100220021122 in words is "two trillion, one hundred billion, two hundred twenty million, twenty-one thousand, one hundred twenty-two".