2253112216081 has 4 divisors (see below), whose sum is σ = 2253116832064. Its totient is φ = 2253107600100.

The previous prime is 2253112216051. The next prime is 2253112216109. The reversal of 2253112216081 is 1806122113522.

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 2253112216081 - 2²³ = 2253103827473 is a prime.

It is a super-2 number, since 2×2253112216081² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2253112216001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1475805 + ... + 2585386.

It is an arithmetic number, because the mean of its divisors is an integer number (563279208016).

Almost surely, 2^{2253112216081} is an apocalyptic number.

It is an amenable number.

2253112216081 is a deficient number, since it is larger than the sum of its proper divisors (4615983).

2253112216081 is an equidigital number, since it uses as much as digits as its factorization.

2253112216081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4615982.

The product of its (nonzero) digits is 11520, while the sum is 34.

The spelling of 2253112216081 in words is "two trillion, two hundred fifty-three billion, one hundred twelve million, two hundred sixteen thousand, eighty-one".