122000121211091 has 2 divisors, whose sum is σ = 122000121211092. Its totient is φ = 122000121211090.

The previous prime is 122000121211081. The next prime is 122000121211159. The reversal of 122000121211091 is 190112121000221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122000121211091 - 2³⁴ = 121982941341907 is a prime.

It is a super-2 number, since 2×122000121211091² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122000121211021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61000060605545 + 61000060605546.

It is an arithmetic number, because the mean of its divisors is an integer number (61000060605546).

Almost surely, 2^{122000121211091} is an apocalyptic number.

122000121211091 is a deficient number, since it is larger than the sum of its proper divisors (1).

122000121211091 is an equidigital number, since it uses as much as digits as its factorization.

122000121211091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 122000121211091 in words is "one hundred twenty-two trillion, one hundred twenty-one million, two hundred eleven thousand, ninety-one".