100001121019 has 2 divisors, whose sum is σ = 100001121020. Its totient is φ = 100001121018.

The previous prime is 100001121001. The next prime is 100001121023. The reversal of 100001121019 is 910121100001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100001121019 - 2¹⁵ = 100001088251 is a prime.

It is a super-2 number, since 2×100001121019² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100001120993 and 100001121011.

It is not a weakly prime, because it can be changed into another prime (100001121029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50000560509 + 50000560510.

It is an arithmetic number, because the mean of its divisors is an integer number (50000560510).

Almost surely, 2^100001121019 is an apocalyptic number.

100001121019 is a deficient number, since it is larger than the sum of its proper divisors (1).

100001121019 is an equidigital number, since it uses as much as digits as its factorization.

100001121019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 16.

The spelling of 100001121019 in words is "one hundred billion, one million, one hundred twenty-one thousand, nineteen".