20021102002222 has 8 divisors (see below), whose sum is σ = 30031988592672. Its totient is φ = 10010439138000.

The previous prime is 20021102002193. The next prime is 20021102002241. The reversal of 20021102002222 is 22220020112002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20021102002196 and 20021102002205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55707654 + ... + 56065897.

It is an arithmetic number, because the mean of its divisors is an integer number (3753998574084).

Almost surely, 2^{20021102002222} is an apocalyptic number.

20021102002222 is a deficient number, since it is larger than the sum of its proper divisors (10010886590450).

20021102002222 is a wasteful number, since it uses less digits than its factorization.

20021102002222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111863114.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20021102002222 its reverse (22220020112002), we get a palindrome (42241122114224).

The spelling of 20021102002222 in words is "twenty trillion, twenty-one billion, one hundred two million, two thousand, two hundred twenty-two".