2233120121421 has 24 divisors (see below), whose sum is σ = 3476395810944. Its totient is φ = 1271359877760.

The previous prime is 2233120121371. The next prime is 2233120121443. The reversal of 2233120121421 is 1241210213322.

It is not a de Polignac number, because 2233120121421 - 2¹⁸ = 2233119859277 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2233120121391 and 2233120121400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2233120121621) 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 23 ways as a sum of consecutive naturals, for example, 27988380 + ... + 28068053.

It is an arithmetic number, because the mean of its divisors is an integer number (144849825456).

Almost surely, 2^{2233120121421} is an apocalyptic number.

2233120121421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2233120121421 is a deficient number, since it is larger than the sum of its proper divisors (1243275689523).

2233120121421 is a wasteful number, since it uses less digits than its factorization.

2233120121421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56056721 (or 56056714 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 2233120121421 its reverse (1241210213322), we get a palindrome (3474330334743).

The spelling of 2233120121421 in words is "two trillion, two hundred thirty-three billion, one hundred twenty million, one hundred twenty-one thousand, four hundred twenty-one".