120100122091 has 2 divisors, whose sum is σ = 120100122092. Its totient is φ = 120100122090.

The previous prime is 120100122073. The next prime is 120100122101. The reversal of 120100122091 is 190221001021.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (190221001021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120100122091 - 2¹³ = 120100113899 is a prime.

It is not a weakly prime, because it can be changed into another prime (127100122091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60050061045 + 60050061046.

It is an arithmetic number, because the mean of its divisors is an integer number (60050061046).

Almost surely, 2^120100122091 is an apocalyptic number.

120100122091 is a deficient number, since it is larger than the sum of its proper divisors (1).

120100122091 is an equidigital number, since it uses as much as digits as its factorization.

120100122091 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.

The spelling of 120100122091 in words is "one hundred twenty billion, one hundred million, one hundred twenty-two thousand, ninety-one".