23211121313101 has 4 divisors (see below), whose sum is σ = 23211685045692. Its totient is φ = 23210557580512.

The previous prime is 23211121313071. The next prime is 23211121313161. The reversal of 23211121313101 is 10131312111232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5575312664100 + 17635808649001 = 2361210^2 + 4199501^2 .

It is a cyclic number.

It is not a de Polignac number, because 23211121313101 - 2³¹ = 23208973829453 is a prime.

It is a super-2 number, since 2×23211121313101² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23211121313161) 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, 281804530 + ... + 281886883.

It is an arithmetic number, because the mean of its divisors is an integer number (5802921261423).

Almost surely, 2^{23211121313101} is an apocalyptic number.

It is an amenable number.

23211121313101 is a deficient number, since it is larger than the sum of its proper divisors (563732591).

23211121313101 is an equidigital number, since it uses as much as digits as its factorization.

23211121313101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563732590.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 23211121313101 its reverse (10131312111232), we get a palindrome (33342433424333).

The spelling of 23211121313101 in words is "twenty-three trillion, two hundred eleven billion, one hundred twenty-one million, three hundred thirteen thousand, one hundred one".