2100021122202 has 32 divisors (see below), whose sum is σ = 4225668143424. Its totient is φ = 695740492800.

The previous prime is 2100021122161. The next prime is 2100021122203. The reversal of 2100021122202 is 2022211200012.

It is not an unprimeable number, because it can be changed into a prime (2100021122203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1343802 + ... + 2450682.

It is an arithmetic number, because the mean of its divisors is an integer number (132052129482).

Almost surely, 2^{2100021122202} is an apocalyptic number.

2100021122202 is an abundant number, since it is smaller than the sum of its proper divisors (2125647021222).

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

2100021122202 is a wasteful number, since it uses less digits than its factorization.

2100021122202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108814.

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

Adding to 2100021122202 its reverse (2022211200012), we get a palindrome (4122232322214).

The spelling of 2100021122202 in words is "two trillion, one hundred billion, twenty-one million, one hundred twenty-two thousand, two hundred two".