10227221117831 has 4 divisors (see below), whose sum is σ = 10503632499432. Its totient is φ = 9950809736232.

The previous prime is 10227221117819. The next prime is 10227221117857. The reversal of 10227221117831 is 13871112272201.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 10227221117831 - 2¹⁰ = 10227221116807 is a prime.

It is a super-2 number, since 2×10227221117831² (a number of 27 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 (10227221117891) 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, 138205690745 + ... + 138205690818.

It is an arithmetic number, because the mean of its divisors is an integer number (2625908124858).

Almost surely, 2^{10227221117831} is an apocalyptic number.

10227221117831 is a deficient number, since it is larger than the sum of its proper divisors (276411381601).

10227221117831 is an equidigital number, since it uses as much as digits as its factorization.

10227221117831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276411381600.

The product of its (nonzero) digits is 18816, while the sum is 38.

The spelling of 10227221117831 in words is "ten trillion, two hundred twenty-seven billion, two hundred twenty-one million, one hundred seventeen thousand, eight hundred thirty-one".