120212010220091 has 2 divisors, whose sum is σ = 120212010220092. Its totient is φ = 120212010220090.

The previous prime is 120212010220039. The next prime is 120212010220129. The reversal of 120212010220091 is 190022010212021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120212010220091 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (120212510220091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60106005110045 + 60106005110046.

It is an arithmetic number, because the mean of its divisors is an integer number (60106005110046).

Almost surely, 2^{120212010220091} is an apocalyptic number.

120212010220091 is a deficient number, since it is larger than the sum of its proper divisors (1).

120212010220091 is an equidigital number, since it uses as much as digits as its factorization.

120212010220091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 120212010220091 in words is "one hundred twenty trillion, two hundred twelve billion, ten million, two hundred twenty thousand, ninety-one".