2233231213021 has 2 divisors, whose sum is σ = 2233231213022. Its totient is φ = 2233231213020.

The previous prime is 2233231213013. The next prime is 2233231213069. The reversal of 2233231213021 is 1203121323322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1715874687396 + 517356525625 = 1309914^2 + 719275^2 .

It is a cyclic number.

It is not a de Polignac number, because 2233231213021 - 2³ = 2233231213013 is a prime.

It is a super-2 number, since 2×2233231213021² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2233231213001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1116615606510 + 1116615606511.

It is an arithmetic number, because the mean of its divisors is an integer number (1116615606511).

Almost surely, 2^{2233231213021} is an apocalyptic number.

It is an amenable number.

2233231213021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2233231213021 is an equidigital number, since it uses as much as digits as its factorization.

2233231213021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 2233231213021 its reverse (1203121323322), we get a palindrome (3436352536343).

The spelling of 2233231213021 in words is "two trillion, two hundred thirty-three billion, two hundred thirty-one million, two hundred thirteen thousand, twenty-one".