1010100190019 has 4 divisors (see below), whose sum is σ = 1010127363696. Its totient is φ = 1010073016344.

The previous prime is 1010100190009. The next prime is 1010100190061. The reversal of 1010100190019 is 9100910010101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1010100190019 - 2²⁴ = 1010083412803 is a prime.

It is a super-2 number, since 2×1010100190019² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1010100189976 and 1010100190003.

It is not an unprimeable number, because it can be changed into a prime (1010100190009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13531004 + ... + 13605449.

It is an arithmetic number, because the mean of its divisors is an integer number (252531840924).

Almost surely, 2^{1010100190019} is an apocalyptic number.

1010100190019 is a deficient number, since it is larger than the sum of its proper divisors (27173677).

1010100190019 is an equidigital number, since it uses as much as digits as its factorization.

1010100190019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27173676.

The product of its (nonzero) digits is 81, while the sum is 23.

The spelling of 1010100190019 in words is "one trillion, ten billion, one hundred million, one hundred ninety thousand, nineteen".