220021002000022 has 4 divisors (see below), whose sum is σ = 330031503000036. Its totient is φ = 110010501000010.

The previous prime is 220021001999987. The next prime is 220021002000031. The reversal of 220021002000022 is 220000200120022.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 220021001999966 and 220021002000011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55005250500004 + ... + 55005250500007.

It is an arithmetic number, because the mean of its divisors is an integer number (82507875750009).

Almost surely, 2^{220021002000022} is an apocalyptic number.

220021002000022 is a deficient number, since it is larger than the sum of its proper divisors (110010501000014).

220021002000022 is a wasteful number, since it uses less digits than its factorization.

220021002000022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110010501000013.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 220021002000022 its reverse (220000200120022), we get a palindrome (440021202120044).

The spelling of 220021002000022 in words is "two hundred twenty trillion, twenty-one billion, two million, twenty-two", and thus it is an aban number.