100111201212019 has 4 divisors (see below), whose sum is σ = 100111319443296. Its totient is φ = 100111082980744.

The previous prime is 100111201211999. The next prime is 100111201212053. The reversal of 100111201212019 is 910212102111001.

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 100111201212019 - 2⁷ = 100111201211891 is a prime.

It is a super-2 number, since 2×100111201212019² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100111201212619) 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, 57836299 + ... + 59542084.

It is an arithmetic number, because the mean of its divisors is an integer number (25027829860824).

Almost surely, 2^{100111201212019} is an apocalyptic number.

100111201212019 is a deficient number, since it is larger than the sum of its proper divisors (118231277).

100111201212019 is an equidigital number, since it uses as much as digits as its factorization.

100111201212019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118231276.

The product of its (nonzero) digits is 72, while the sum is 22.

The spelling of 100111201212019 in words is "one hundred trillion, one hundred eleven billion, two hundred one million, two hundred twelve thousand, nineteen".