100101201019 has 4 divisors (see below), whose sum is σ = 100243999440. Its totient is φ = 99958402600.

The previous prime is 100101200999. The next prime is 100101201043. The reversal of 100101201019 is 910102101001.

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 100101201019 - 2¹¹ = 100101198971 is a prime.

It is a super-2 number, since 2×100101201019² (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 = 100101200993 and 100101201011.

It is not an unprimeable number, because it can be changed into a prime (100101201119) 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, 71398159 + ... + 71399560.

It is an arithmetic number, because the mean of its divisors is an integer number (25060999860).

Almost surely, 2^100101201019 is an apocalyptic number.

100101201019 is a deficient number, since it is larger than the sum of its proper divisors (142798421).

100101201019 is an equidigital number, since it uses as much as digits as its factorization.

100101201019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142798420.

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

The spelling of 100101201019 in words is "one hundred billion, one hundred one million, two hundred one thousand, nineteen".