101000101019 has 4 divisors (see below), whose sum is σ = 101136037296. Its totient is φ = 100864164744.

The previous prime is 101000101009. The next prime is 101000101031. The reversal of 101000101019 is 910101000101.

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 101000101019 - 2¹⁶ = 101000035483 is a prime.

It is a super-2 number, since 2×101000101019² (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 = 101000100994 and 101000101012.

It is not an unprimeable number, because it can be changed into a prime (101000101009) 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, 67967024 + ... + 67968509.

It is an arithmetic number, because the mean of its divisors is an integer number (25284009324).

Almost surely, 2^101000101019 is an apocalyptic number.

101000101019 is a deficient number, since it is larger than the sum of its proper divisors (135936277).

101000101019 is an equidigital number, since it uses as much as digits as its factorization.

101000101019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135936276.

The product of its (nonzero) digits is 9, while the sum is 14.

The spelling of 101000101019 in words is "one hundred one billion, one hundred one thousand, nineteen".