2120222022011 has 4 divisors (see below), whose sum is σ = 2122678827072. Its totient is φ = 2117765216952.

The previous prime is 2120222021999. The next prime is 2120222022019. The reversal of 2120222022011 is 1102202220212.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2120222022011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120222022019) 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, 1228401236 + ... + 1228402961.

It is an arithmetic number, because the mean of its divisors is an integer number (530669706768).

Almost surely, 2^{2120222022011} is an apocalyptic number.

2120222022011 is a deficient number, since it is larger than the sum of its proper divisors (2456805061).

2120222022011 is an equidigital number, since it uses as much as digits as its factorization.

2120222022011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2456805060.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2120222022011 its reverse (1102202220212), we get a palindrome (3222424242223).

The spelling of 2120222022011 in words is "two trillion, one hundred twenty billion, two hundred twenty-two million, twenty-two thousand, eleven".