21100102000219 has 8 divisors (see below), whose sum is σ = 23395642158960. Its totient is φ = 18867453352800.

The previous prime is 21100102000213. The next prime is 21100102000249. The reversal of 21100102000219 is 91200020100112.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 21100102000219 - 2³¹ = 21097954516571 is a prime.

It is a super-2 number, since 2×21100102000219² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21100102000196 and 21100102000205.

It is not an unprimeable number, because it can be changed into a prime (21100102000213) 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, 15722877124 + ... + 15722878465.

It is an arithmetic number, because the mean of its divisors is an integer number (2924455269870).

Almost surely, 2^{21100102000219} is an apocalyptic number.

21100102000219 is a deficient number, since it is larger than the sum of its proper divisors (2295540158741).

21100102000219 is a wasteful number, since it uses less digits than its factorization.

21100102000219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31445755661.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 21100102000219 in words is "twenty-one trillion, one hundred billion, one hundred two million, two hundred nineteen", and thus it is an aban number.