100121311219 has 8 divisors (see below), whose sum is σ = 100711326672. Its totient is φ = 99531425760.

The previous prime is 100121311207. The next prime is 100121311253. The reversal of 100121311219 is 912113121001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100121311219 is a prime.

It is a super-2 number, since 2×100121311219² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100121311219.

It is not an unprimeable number, because it can be changed into a prime (100121311259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1822477 + ... + 1876609.

It is an arithmetic number, because the mean of its divisors is an integer number (12588915834).

Almost surely, 2^100121311219 is an apocalyptic number.

100121311219 is a deficient number, since it is larger than the sum of its proper divisors (590015453).

100121311219 is a wasteful number, since it uses less digits than its factorization.

100121311219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64997.

The product of its (nonzero) digits is 108, while the sum is 22.

It can be divided in two parts, 10012 and 1311219, that added together give a palindrome (1321231).

The spelling of 100121311219 in words is "one hundred billion, one hundred twenty-one million, three hundred eleven thousand, two hundred nineteen".