2122414021 has 16 divisors (see below), whose sum is σ = 2656483200. Its totient is φ = 1650806208.

The previous prime is 2122414013. The next prime is 2122414027. The reversal of 2122414021 is 1204142212.

It is a cyclic number.

It is not a de Polignac number, because 2122414021 - 2³ = 2122414013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2122414021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122414027) 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, 192286 + ... + 203023.

It is an arithmetic number, because the mean of its divisors is an integer number (166030200).

Almost surely, 2^2122414021 is an apocalyptic number.

It is an amenable number.

2122414021 is a deficient number, since it is larger than the sum of its proper divisors (534069179).

2122414021 is a wasteful number, since it uses less digits than its factorization.

2122414021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395388.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 2122414021 is about 46069.6648674592. The cubic root of 2122414021 is about 1285.1190714655.

Adding to 2122414021 its reverse (1204142212), we get a palindrome (3326556233).

Subtracting from 2122414021 its reverse (1204142212), we obtain a square (918271809 = 30303²).

It can be divided in two parts, 21224 and 14021, that added together give a triangular number (35245 = T₂₆₅).

The spelling of 2122414021 in words is "two billion, one hundred twenty-two million, four hundred fourteen thousand, twenty-one".