20112201219 has 24 divisors (see below), whose sum is σ = 29484486976. Its totient is φ = 12185593200.

The previous prime is 20112201217. The next prime is 20112201229. The reversal of 20112201219 is 91210221102.

It is not a de Polignac number, because 20112201219 - 2¹ = 20112201217 is a prime.

It is a super-2 number, since 2×20112201219² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20112201195 and 20112201204.

It is not an unprimeable number, because it can be changed into a prime (20112201217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1708584 + ... + 1720314.

Almost surely, 2^20112201219 is an apocalyptic number.

20112201219 is a deficient number, since it is larger than the sum of its proper divisors (9372285757).

20112201219 is a wasteful number, since it uses less digits than its factorization.

20112201219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16479 (or 16468 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

The spelling of 20112201219 in words is "twenty billion, one hundred twelve million, two hundred one thousand, two hundred nineteen".