2121022211167 has 2 divisors, whose sum is σ = 2121022211168. Its totient is φ = 2121022211166.

The previous prime is 2121022211041. The next prime is 2121022211197. The reversal of 2121022211167 is 7611122201212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2121022211167 - 2⁷ = 2121022211039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2121022211197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060511105583 + 1060511105584.

It is an arithmetic number, because the mean of its divisors is an integer number (1060511105584).

Almost surely, 2^{2121022211167} is an apocalyptic number.

2121022211167 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121022211167 is an equidigital number, since it uses as much as digits as its factorization.

2121022211167 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 28.

Adding to 2121022211167 its reverse (7611122201212), we get a palindrome (9732144412379).

The spelling of 2121022211167 in words is "two trillion, one hundred twenty-one billion, twenty-two million, two hundred eleven thousand, one hundred sixty-seven".