220021100002 has 32 divisors (see below), whose sum is σ = 360966689280. Its totient is φ = 99750875520.

The previous prime is 220021099993. The next prime is 220021100021. The reversal of 220021100002 is 200001120022.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28374958 + ... + 28382710.

It is an arithmetic number, because the mean of its divisors is an integer number (11280209040).

Almost surely, 2^220021100002 is an apocalyptic number.

220021100002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220021100002 is a deficient number, since it is larger than the sum of its proper divisors (140945589278).

220021100002 is a wasteful number, since it uses less digits than its factorization.

220021100002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10938.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 220021100002 its reverse (200001120022), we get a palindrome (420022220024).

It can be divided in two parts, 220021 and 100002, that added together give a palindrome (320023).

The spelling of 220021100002 in words is "two hundred twenty billion, twenty-one million, one hundred thousand, two".