2221131012453 has 24 divisors (see below), whose sum is σ = 3286709112960. Its totient is φ = 1444568811840.

The previous prime is 2221131012449. The next prime is 2221131012511. The reversal of 2221131012453 is 3542101311222.

It is a happy number.

2221131012453 is a `hidden beast` number, since 2 + 221 + 1 + 310 + 124 + 5 + 3 = 666.

It is not a de Polignac number, because 2221131012453 - 2² = 2221131012449 is a prime.

It is a super-3 number, since 3×2221131012453³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221131012553) 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, 8220850 + ... + 8486732.

It is an arithmetic number, because the mean of its divisors is an integer number (136946213040).

Almost surely, 2^{2221131012453} is an apocalyptic number.

It is an amenable number.

2221131012453 is a deficient number, since it is larger than the sum of its proper divisors (1065578100507).

2221131012453 is a wasteful number, since it uses less digits than its factorization.

2221131012453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288569 (or 288566 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 2221131012453 its reverse (3542101311222), we get a palindrome (5763232323675).

The spelling of 2221131012453 in words is "two trillion, two hundred twenty-one billion, one hundred thirty-one million, twelve thousand, four hundred fifty-three".