2220220011211 has 4 divisors (see below), whose sum is σ = 2220245506512. Its totient is φ = 2220194515912.

The previous prime is 2220220011179. The next prime is 2220220011259. The reversal of 2220220011211 is 1121100220222.

It is a happy number.

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 2220220011211 - 2⁵ = 2220220011179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2220220011311) 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, 12616576 + ... + 12791341.

It is an arithmetic number, because the mean of its divisors is an integer number (555061376628).

Almost surely, 2^{2220220011211} is an apocalyptic number.

2220220011211 is a deficient number, since it is larger than the sum of its proper divisors (25495301).

2220220011211 is an equidigital number, since it uses as much as digits as its factorization.

2220220011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25495300.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2220220011211 its reverse (1121100220222), we get a palindrome (3341320231433).

It can be divided in two parts, 2220220011 and 211, that added together give a palindrome (2220220222).

The spelling of 2220220011211 in words is "two trillion, two hundred twenty billion, two hundred twenty million, eleven thousand, two hundred eleven".