120121202001091 has 2 divisors, whose sum is σ = 120121202001092. Its totient is φ = 120121202001090.

The previous prime is 120121202001061. The next prime is 120121202001149. The reversal of 120121202001091 is 190100202121021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120121202001091 - 2¹⁵ = 120121201968323 is a prime.

It is not a weakly prime, because it can be changed into another prime (120121202001061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60060601000545 + 60060601000546.

It is an arithmetic number, because the mean of its divisors is an integer number (60060601000546).

Almost surely, 2^{120121202001091} is an apocalyptic number.

120121202001091 is a deficient number, since it is larger than the sum of its proper divisors (1).

120121202001091 is an equidigital number, since it uses as much as digits as its factorization.

120121202001091 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 22.

The spelling of 120121202001091 in words is "one hundred twenty trillion, one hundred twenty-one billion, two hundred two million, one thousand, ninety-one".