100202001019 has 4 divisors (see below), whose sum is σ = 101613296880. Its totient is φ = 98790705160.

The previous prime is 100202001007. The next prime is 100202001047. The reversal of 100202001019 is 910100202001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 910100202001 = 313 ⋅2907668377.

It is a cyclic number.

It is not a de Polignac number, because 100202001019 - 2¹³ = 100201992827 is a prime.

It is a super-2 number, since 2×100202001019² (a number of 23 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 = 100202000993 and 100202001011.

It is not an unprimeable number, because it can be changed into a prime (100202071019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 705647824 + ... + 705647965.

It is an arithmetic number, because the mean of its divisors is an integer number (25403324220).

Almost surely, 2^100202001019 is an apocalyptic number.

100202001019 is a deficient number, since it is larger than the sum of its proper divisors (1411295861).

100202001019 is an equidigital number, since it uses as much as digits as its factorization.

100202001019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411295860.

The product of its (nonzero) digits is 36, while the sum is 16.

The spelling of 100202001019 in words is "one hundred billion, two hundred two million, one thousand, nineteen".