2121113022211 has 2 divisors, whose sum is σ = 2121113022212. Its totient is φ = 2121113022210.

The previous prime is 2121113022187. The next prime is 2121113022251. The reversal of 2121113022211 is 1122203111212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2121113022211 - 2²³ = 2121104633603 is a prime.

It is not a weakly prime, because it can be changed into another prime (2121113022251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060556511105 + 1060556511106.

It is an arithmetic number, because the mean of its divisors is an integer number (1060556511106).

Almost surely, 2^{2121113022211} is an apocalyptic number.

2121113022211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121113022211 is an equidigital number, since it uses as much as digits as its factorization.

2121113022211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 2121113022211 its reverse (1122203111212), we get a palindrome (3243316133423).

The spelling of 2121113022211 in words is "two trillion, one hundred twenty-one billion, one hundred thirteen million, twenty-two thousand, two hundred eleven".