220310031302121 has 8 divisors (see below), whose sum is σ = 293747068621440. Its totient is φ = 146873174092112.

The previous prime is 220310031302047. The next prime is 220310031302143. The reversal of 220310031302121 is 121203130013022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220310031302121 - 2²² = 220310027107817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220310031302821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42146865 + ... + 47084798.

It is an arithmetic number, because the mean of its divisors is an integer number (36718383577680).

Almost surely, 2^{220310031302121} is an apocalyptic number.

It is an amenable number.

220310031302121 is a deficient number, since it is larger than the sum of its proper divisors (73437037319319).

220310031302121 is an equidigital number, since it uses as much as digits as its factorization.

220310031302121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90054655.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 220310031302121 its reverse (121203130013022), we get a palindrome (341513161315143).

The spelling of 220310031302121 in words is "two hundred twenty trillion, three hundred ten billion, thirty-one million, three hundred two thousand, one hundred twenty-one".