120112002091 has 2 divisors, whose sum is σ = 120112002092. Its totient is φ = 120112002090.

The previous prime is 120112002089. The next prime is 120112002119. The reversal of 120112002091 is 190200211021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120112002091 - 2¹ = 120112002089 is a prime.

Together with 120112002089, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (120112008091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60056001045 + 60056001046.

It is an arithmetic number, because the mean of its divisors is an integer number (60056001046).

Almost surely, 2^120112002091 is an apocalyptic number.

120112002091 is a deficient number, since it is larger than the sum of its proper divisors (1).

120112002091 is an equidigital number, since it uses as much as digits as its factorization.

120112002091 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 19.

It can be divided in two parts, 12011 and 2002091, that added together give a palindrome (2014102).

The spelling of 120112002091 in words is "one hundred twenty billion, one hundred twelve million, two thousand, ninety-one".