2220021121999 has 8 divisors (see below), whose sum is σ = 2221634232272. Its totient is φ = 2218408171200.

The previous prime is 2220021121973. The next prime is 2220021122009. The reversal of 2220021121999 is 9991211200222.

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 2220021121999 - 2²³ = 2220012733391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220021121919) 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, 49362907 + ... + 49407859.

It is an arithmetic number, because the mean of its divisors is an integer number (277704279034).

Almost surely, 2^{2220021121999} is an apocalyptic number.

2220021121999 is a deficient number, since it is larger than the sum of its proper divisors (1613110273).

2220021121999 is a wasteful number, since it uses less digits than its factorization.

2220021121999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79737.

The product of its (nonzero) digits is 23328, while the sum is 40.

The spelling of 2220021121999 in words is "two trillion, two hundred twenty billion, twenty-one million, one hundred twenty-one thousand, nine hundred ninety-nine".