22021200020101 has 16 divisors (see below), whose sum is σ = 23013610721280. Its totient is φ = 21046972383360.

The previous prime is 22021200020093. The next prime is 22021200020179. The reversal of 22021200020101 is 10102000212022.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22021200020101 - 2³ = 22021200020093 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 (22021200000101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2243310 + ... + 7005343.

It is an arithmetic number, because the mean of its divisors is an integer number (1438350670080).

Almost surely, 2^{22021200020101} is an apocalyptic number.

It is an amenable number.

22021200020101 is a deficient number, since it is larger than the sum of its proper divisors (992410701179).

22021200020101 is an equidigital number, since it uses as much as digits as its factorization.

22021200020101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9249636.

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

Adding to 22021200020101 its reverse (10102000212022), we get a palindrome (32123200232123).

The spelling of 22021200020101 in words is "twenty-two trillion, twenty-one billion, two hundred million, twenty thousand, one hundred one".