21222220000101 has 8 divisors (see below), whose sum is σ = 28319430127680. Its totient is φ = 14136578269632.

The previous prime is 21222220000067. The next prime is 21222220000117. The reversal of 21222220000101 is 10100002222212.

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

It is not a de Polignac number, because 21222220000101 - 2¹⁷ = 21222219869029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21222220000181) 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, 2892094996 + ... + 2892102333.

It is an arithmetic number, because the mean of its divisors is an integer number (3539928765960).

Almost surely, 2^{21222220000101} is an apocalyptic number.

It is an amenable number.

21222220000101 is a deficient number, since it is larger than the sum of its proper divisors (7097210127579).

21222220000101 is a wasteful number, since it uses less digits than its factorization.

21222220000101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5784198555.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 21222220000101 its reverse (10100002222212), we get a palindrome (31322222222313).

The spelling of 21222220000101 in words is "twenty-one trillion, two hundred twenty-two billion, two hundred twenty million, one hundred one", and thus it is an aban number.