22221220020101 has 8 divisors (see below), whose sum is σ = 22738128208224. Its totient is φ = 21704317997040.

The previous prime is 22221220020049. The next prime is 22221220020149. The reversal of 22221220020101 is 10102002212222.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22221220020101 - 2⁴² = 17823173508997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22221220020101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22221220020161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6198146 + ... + 9102716.

It is an arithmetic number, because the mean of its divisors is an integer number (2842266026028).

Almost surely, 2^{22221220020101} is an apocalyptic number.

It is an amenable number.

22221220020101 is a deficient number, since it is larger than the sum of its proper divisors (516908188123).

22221220020101 is a wasteful number, since it uses less digits than its factorization.

22221220020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3082531.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22221220020101 its reverse (10102002212222), we get a palindrome (32323222232323).

The spelling of 22221220020101 in words is "twenty-two trillion, two hundred twenty-one billion, two hundred twenty million, twenty thousand, one hundred one".