20021022000211 has 4 divisors (see below), whose sum is σ = 21198729176712. Its totient is φ = 18843314823712.

The previous prime is 20021022000163. The next prime is 20021022000241. The reversal of 20021022000211 is 11200022012002.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20021022000211 - 2¹¹ = 20021021998163 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20021022000191 and 20021022000200.

It is not an unprimeable number, because it can be changed into a prime (20021022000241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 588853588225 + ... + 588853588258.

It is an arithmetic number, because the mean of its divisors is an integer number (5299682294178).

Almost surely, 2^{20021022000211} is an apocalyptic number.

20021022000211 is a deficient number, since it is larger than the sum of its proper divisors (1177707176501).

20021022000211 is a wasteful number, since it uses less digits than its factorization.

20021022000211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177707176500.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20021022000211 its reverse (11200022012002), we get a palindrome (31221044012213).

The spelling of 20021022000211 in words is "twenty trillion, twenty-one billion, twenty-two million, two hundred eleven", and thus it is an aban number.