2120222101211 has 2 divisors, whose sum is σ = 2120222101212. Its totient is φ = 2120222101210.

The previous prime is 2120222101201. The next prime is 2120222101223. The reversal of 2120222101211 is 1121012220212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2120222101211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2120222101211.

It is not a weakly prime, because it can be changed into another prime (2120222101201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060111050605 + 1060111050606.

It is an arithmetic number, because the mean of its divisors is an integer number (1060111050606).

Almost surely, 2^{2120222101211} is an apocalyptic number.

2120222101211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120222101211 is an equidigital number, since it uses as much as digits as its factorization.

2120222101211 is an evil number, because the sum of its binary digits is even.

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

Adding to 2120222101211 its reverse (1121012220212), we get a palindrome (3241234321423).

The spelling of 2120222101211 in words is "two trillion, one hundred twenty billion, two hundred twenty-two million, one hundred one thousand, two hundred eleven".