220021001199 has 12 divisors (see below), whose sum is σ = 323018082712. Its totient is φ = 144276066000.

The previous prime is 220021001177. The next prime is 220021001219. The reversal of 220021001199 is 991100120022.

It is not a de Polignac number, because 220021001199 - 2²¹ = 220018904047 is a prime.

It is a super-2 number, since 2×220021001199² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220021001099) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 200382877 + ... + 200383974.

Almost surely, 2^220021001199 is an apocalyptic number.

220021001199 is a deficient number, since it is larger than the sum of its proper divisors (102997081513).

220021001199 is a wasteful number, since it uses less digits than its factorization.

220021001199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400766918 (or 400766915 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

It can be divided in two parts, 22002 and 1001199, that added together give a palindrome (1023201).

The spelling of 220021001199 in words is "two hundred twenty billion, twenty-one million, one thousand, one hundred ninety-nine".