12211030101091 has 2 divisors, whose sum is σ = 12211030101092. Its totient is φ = 12211030101090.

The previous prime is 12211030100989. The next prime is 12211030101119. The reversal of 12211030101091 is 19010103011221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12211030101091 - 2¹⁵ = 12211030068323 is a prime.

It is a super-2 number, since 2×12211030101091² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12211030141091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105515050545 + 6105515050546.

It is an arithmetic number, because the mean of its divisors is an integer number (6105515050546).

Almost surely, 2^{12211030101091} is an apocalyptic number.

12211030101091 is a deficient number, since it is larger than the sum of its proper divisors (1).

12211030101091 is an equidigital number, since it uses as much as digits as its factorization.

12211030101091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 22.

The spelling of 12211030101091 in words is "twelve trillion, two hundred eleven billion, thirty million, one hundred one thousand, ninety-one".