910112121211 has 2 divisors, whose sum is σ = 910112121212. Its totient is φ = 910112121210.

The previous prime is 910112121187. The next prime is 910112121277. The reversal of 910112121211 is 112121211019.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-910112121211 is a prime.

It is a super-2 number, since 2×910112121211² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (910112121011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 455056060605 + 455056060606.

It is an arithmetic number, because the mean of its divisors is an integer number (455056060606).

Almost surely, 2^910112121211 is an apocalyptic number.

910112121211 is a deficient number, since it is larger than the sum of its proper divisors (1).

910112121211 is an equidigital number, since it uses as much as digits as its factorization.

910112121211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 22.

The spelling of 910112121211 in words is "nine hundred ten billion, one hundred twelve million, one hundred twenty-one thousand, two hundred eleven".