2001102100219 has 2 divisors, whose sum is σ = 2001102100220. Its totient is φ = 2001102100218.

The previous prime is 2001102100189. The next prime is 2001102100241. The reversal of 2001102100219 is 9120012011002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2001102100219 - 2⁵ = 2001102100187 is a prime.

It is a super-2 number, since 2×2001102100219² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2001102100196 and 2001102100205.

It is not a weakly prime, because it can be changed into another prime (2001102106219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000551050109 + 1000551050110.

It is an arithmetic number, because the mean of its divisors is an integer number (1000551050110).

Almost surely, 2^{2001102100219} is an apocalyptic number.

2001102100219 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001102100219 is an equidigital number, since it uses as much as digits as its factorization.

2001102100219 is an evil number, because the sum of its binary digits is even.

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

The spelling of 2001102100219 in words is "two trillion, one billion, one hundred two million, one hundred thousand, two hundred nineteen".