100121023199 has 2 divisors, whose sum is σ = 100121023200. Its totient is φ = 100121023198.

The previous prime is 100121023183. The next prime is 100121023229. The reversal of 100121023199 is 991320121001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100121023199 - 2⁴ = 100121023183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100121023109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50060511599 + 50060511600.

It is an arithmetic number, because the mean of its divisors is an integer number (50060511600).

Almost surely, 2^100121023199 is an apocalyptic number.

100121023199 is a deficient number, since it is larger than the sum of its proper divisors (1).

100121023199 is an equidigital number, since it uses as much as digits as its factorization.

100121023199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 29.

The spelling of 100121023199 in words is "one hundred billion, one hundred twenty-one million, twenty-three thousand, one hundred ninety-nine".