2122032121 has 16 divisors (see below), whose sum is σ = 2373634368. Its totient is φ = 1880300800.

The previous prime is 2122032113. The next prime is 2122032137. The reversal of 2122032121 is 1212302212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2122032121 - 2³ = 2122032113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2122032095 and 2122032104.

It is not an unprimeable number, because it can be changed into a prime (2122032161) 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, 804621 + ... + 807253.

It is an arithmetic number, because the mean of its divisors is an integer number (148352148).

Almost surely, 2^2122032121 is an apocalyptic number.

It is an amenable number.

2122032121 is a deficient number, since it is larger than the sum of its proper divisors (251602247).

2122032121 is a wasteful number, since it uses less digits than its factorization.

2122032121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4472.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2122032121 is about 46065.5198711574. The cubic root of 2122032121 is about 1285.0419868489.

Adding to 2122032121 its reverse (1212302212), we get a palindrome (3334334333).

The spelling of 2122032121 in words is "two billion, one hundred twenty-two million, thirty-two thousand, one hundred twenty-one".