220221020011211 has 4 divisors (see below), whose sum is σ = 220222946498400. Its totient is φ = 220219093524024.

The previous prime is 220221020011177. The next prime is 220221020011217. The reversal of 220221020011211 is 112110020122022.

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 220221020011211 - 2³⁸ = 219946142104267 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 220221020011211.

It is not an unprimeable number, because it can be changed into a prime (220221020011217) 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, 963072116 + ... + 963300753.

It is an arithmetic number, because the mean of its divisors is an integer number (55055736624600).

Almost surely, 2^{220221020011211} is an apocalyptic number.

220221020011211 is a deficient number, since it is larger than the sum of its proper divisors (1926487189).

220221020011211 is a wasteful number, since it uses less digits than its factorization.

220221020011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1926487188.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 220221020011211 its reverse (112110020122022), we get a palindrome (332331040133233).

The spelling of 220221020011211 in words is "two hundred twenty trillion, two hundred twenty-one billion, twenty million, eleven thousand, two hundred eleven".