220011231120331 has 4 divisors (see below), whose sum is σ = 251441406994672. Its totient is φ = 188581055245992.

The previous prime is 220011231120311. The next prime is 220011231120353. The reversal of 220011231120331 is 133021132110022.

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 220011231120331 - 2⁷ = 220011231120203 is a prime.

It is a super-2 number, since 2×220011231120331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220011231120301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15715087937160 + ... + 15715087937173.

It is an arithmetic number, because the mean of its divisors is an integer number (62860351748668).

Almost surely, 2^{220011231120331} is an apocalyptic number.

220011231120331 is a deficient number, since it is larger than the sum of its proper divisors (31430175874341).

220011231120331 is an equidigital number, since it uses as much as digits as its factorization.

220011231120331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31430175874340.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 220011231120331 its reverse (133021132110022), we get a palindrome (353032363230353).

The spelling of 220011231120331 in words is "two hundred twenty trillion, eleven billion, two hundred thirty-one million, one hundred twenty thousand, three hundred thirty-one".