2120220122211 has 8 divisors (see below), whose sum is σ = 3141066847760. Its totient is φ = 1413480081456.

The previous prime is 2120220122201. The next prime is 2120220122219. The reversal of 2120220122211 is 1122210220212.

It is a happy number.

2120220122211 is a `hidden beast` number, since 212 + 0 + 220 + 1 + 22 + 211 = 666.

It is not a de Polignac number, because 2120220122211 - 2³⁵ = 2085860383843 is a prime.

It is a super-3 number, since 3×2120220122211³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120220122219) 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, 39263335570 + ... + 39263335623.

It is an arithmetic number, because the mean of its divisors is an integer number (392633355970).

Almost surely, 2^{2120220122211} is an apocalyptic number.

2120220122211 is a deficient number, since it is larger than the sum of its proper divisors (1020846725549).

2120220122211 is an equidigital number, since it uses as much as digits as its factorization.

2120220122211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78526671202 (or 78526671196 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2120220122211 its reverse (1122210220212), we get a palindrome (3242430342423).

The spelling of 2120220122211 in words is "two trillion, one hundred twenty billion, two hundred twenty million, one hundred twenty-two thousand, two hundred eleven".