2112210201021 has 32 divisors (see below), whose sum is σ = 2871973843200. Its totient is φ = 1380523522560.

The previous prime is 2112210201001. The next prime is 2112210201037. The reversal of 2112210201021 is 1201020122112.

It is not a de Polignac number, because 2112210201021 - 2²² = 2112206006717 is a prime.

It is a super-2 number, since 2×2112210201021² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112210201001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85126465 + ... + 85151273.

It is an arithmetic number, because the mean of its divisors is an integer number (89749182600).

Almost surely, 2^{2112210201021} is an apocalyptic number.

It is an amenable number.

2112210201021 is a deficient number, since it is larger than the sum of its proper divisors (759763642179).

2112210201021 is a wasteful number, since it uses less digits than its factorization.

2112210201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27109.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2112210201021 its reverse (1201020122112), we get a palindrome (3313230323133).

The spelling of 2112210201021 in words is "two trillion, one hundred twelve billion, two hundred ten million, two hundred one thousand, twenty-one".