220101010331 has 4 divisors (see below), whose sum is σ = 220137294792. Its totient is φ = 220064725872.

The previous prime is 220101010277. The next prime is 220101010333. The reversal of 220101010331 is 133010101022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133010101022 = 2 ⋅66505050511.

It is a cyclic number.

It is not a de Polignac number, because 220101010331 - 2¹⁰ = 220101009307 is a prime.

It is a super-2 number, since 2×220101010331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220101010333) 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, 18133130 + ... + 18145263.

It is an arithmetic number, because the mean of its divisors is an integer number (55034323698).

Almost surely, 2^220101010331 is an apocalyptic number.

220101010331 is a deficient number, since it is larger than the sum of its proper divisors (36284461).

220101010331 is an equidigital number, since it uses as much as digits as its factorization.

220101010331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36284460.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 220101010331 its reverse (133010101022), we get a palindrome (353111111353).

The spelling of 220101010331 in words is "two hundred twenty billion, one hundred one million, ten thousand, three hundred thirty-one".