220211013031021 has 8 divisors (see below), whose sum is σ = 221094162775584. Its totient is φ = 219327909438000.

The previous prime is 220211013030971. The next prime is 220211013031033. The reversal of 220211013031021 is 120130310112022.

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 220211013031021 - 2²¹ = 220211010933869 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220211013031021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220211013061021) 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, 1959886 + ... + 21077551.

It is an arithmetic number, because the mean of its divisors is an integer number (27636770346948).

Almost surely, 2^{220211013031021} is an apocalyptic number.

It is an amenable number.

220211013031021 is a deficient number, since it is larger than the sum of its proper divisors (883149744563).

220211013031021 is a wasteful number, since it uses less digits than its factorization.

220211013031021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23075771.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 220211013031021 its reverse (120130310112022), we get a palindrome (340341323143043).

The spelling of 220211013031021 in words is "two hundred twenty trillion, two hundred eleven billion, thirteen million, thirty-one thousand, twenty-one".