220120220211211 has 4 divisors (see below), whose sum is σ = 220120410386232. Its totient is φ = 220120030036192.

The previous prime is 220120220211179. The next prime is 220120220211329. The reversal of 220120220211211 is 112112022021022.

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 220120220211211 - 2⁵ = 220120220211179 is a prime.

It is a super-2 number, since 2×220120220211211² (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 (220120220211011) 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, 93340621 + ... + 95669806.

It is an arithmetic number, because the mean of its divisors is an integer number (55030102596558).

Almost surely, 2^{220120220211211} is an apocalyptic number.

220120220211211 is a deficient number, since it is larger than the sum of its proper divisors (190175021).

220120220211211 is a wasteful number, since it uses less digits than its factorization.

220120220211211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190175020.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 220120220211211 its reverse (112112022021022), we get a palindrome (332232242232233).

The spelling of 220120220211211 in words is "two hundred twenty trillion, one hundred twenty billion, two hundred twenty million, two hundred eleven thousand, two hundred eleven".