2100220220022 has 8 divisors (see below), whose sum is σ = 4200440440056. Its totient is φ = 700073406672.

The previous prime is 2100220219991. The next prime is 2100220220047. The reversal of 2100220220022 is 2200220220012.

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

2100220220022 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2100220219983 and 2100220220010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175018351663 + ... + 175018351674.

It is an arithmetic number, because the mean of its divisors is an integer number (525055055007).

Almost surely, 2^{2100220220022} is an apocalyptic number.

2100220220022 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.

2100220220022 is a wasteful number, since it uses less digits than its factorization.

2100220220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350036703342.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 2100220220022 its reverse (2200220220012), we get a palindrome (4300440440034).

The spelling of 2100220220022 in words is "two trillion, one hundred billion, two hundred twenty million, two hundred twenty thousand, twenty-two".