11422197021853 has 4 divisors (see below), whose sum is σ = 11422222964320. Its totient is φ = 11422171079388.

The previous prime is 11422197021847. The next prime is 11422197021889. The reversal of 11422197021853 is 35812079122411.

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 a de Polignac number, because none of the positive numbers 2^k-11422197021853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11422197021353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12299193 + ... + 13195246.

It is an arithmetic number, because the mean of its divisors is an integer number (2855555741080).

Almost surely, 2^{11422197021853} is an apocalyptic number.

It is an amenable number.

11422197021853 is a deficient number, since it is larger than the sum of its proper divisors (25942467).

11422197021853 is an equidigital number, since it uses as much as digits as its factorization.

11422197021853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25942466.

The product of its (nonzero) digits is 241920, while the sum is 46.

The spelling of 11422197021853 in words is "eleven trillion, four hundred twenty-two billion, one hundred ninety-seven million, twenty-one thousand, eight hundred fifty-three".