2001101219 has 4 divisors (see below), whose sum is σ = 2155032096. Its totient is φ = 1847170344.

The previous prime is 2001101209. The next prime is 2001101257. The reversal of 2001101219 is 9121011002.

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 2001101219 - 2²⁰ = 2000052643 is a prime.

It is a super-2 number, since 2×2001101219² = 8008812177366571922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2001101197 and 2001101206.

It is not an unprimeable number, because it can be changed into a prime (2001101209) 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, 76965419 + ... + 76965444.

It is an arithmetic number, because the mean of its divisors is an integer number (538758024).

Almost surely, 2^2001101219 is an apocalyptic number.

2001101219 is a deficient number, since it is larger than the sum of its proper divisors (153930877).

2001101219 is a wasteful number, since it uses less digits than its factorization.

2001101219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153930876.

The product of its (nonzero) digits is 36, while the sum is 17.

The square root of 2001101219 is about 44733.6698583964. The cubic root of 2001101219 is about 1260.1522489664.

The spelling of 2001101219 in words is "two billion, one million, one hundred one thousand, two hundred nineteen".