11306052222621 has 32 divisors (see below), whose sum is σ = 16402718072832. Its totient is φ = 6885493663680.

The previous prime is 11306052222617. The next prime is 11306052222683. The reversal of 11306052222621 is 12622225060311.

It is a happy number.

It is not a de Polignac number, because 11306052222621 - 2² = 11306052222617 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11306052222601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5193876 + ... + 7041906.

It is an arithmetic number, because the mean of its divisors is an integer number (512584939776).

Almost surely, 2^{11306052222621} is an apocalyptic number.

It is an amenable number.

11306052222621 is a deficient number, since it is larger than the sum of its proper divisors (5096665850211).

11306052222621 is a wasteful number, since it uses less digits than its factorization.

11306052222621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1849673.

The product of its (nonzero) digits is 17280, while the sum is 33.

Adding to 11306052222621 its reverse (12622225060311), we get a palindrome (23928277282932).

The spelling of 11306052222621 in words is "eleven trillion, three hundred six billion, fifty-two million, two hundred twenty-two thousand, six hundred twenty-one".