2340022121 has 4 divisors (see below), whose sum is σ = 2463181200. Its totient is φ = 2216863044.

The previous prime is 2340022079. The next prime is 2340022127. The reversal of 2340022121 is 1212200432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2340022121 - 2¹⁸ = 2339759977 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2340022121.

It is not an unprimeable number, because it can be changed into a prime (2340022127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61579511 + ... + 61579548.

It is an arithmetic number, because the mean of its divisors is an integer number (615795300).

Almost surely, 2^2340022121 is an apocalyptic number.

It is an amenable number.

2340022121 is a deficient number, since it is larger than the sum of its proper divisors (123159079).

2340022121 is a wasteful number, since it uses less digits than its factorization.

2340022121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123159078.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2340022121 is about 48373.7751369479. The cubic root of 2340022121 is about 1327.6185777469.

Adding to 2340022121 its reverse (1212200432), we get a palindrome (3552222553).

It can be divided in two parts, 23400 and 22121, that multiplied together give a triangular number (517631400 = T₃₂₁₇₅).

The spelling of 2340022121 in words is "two billion, three hundred forty million, twenty-two thousand, one hundred twenty-one".