22221021102101 has 8 divisors (see below), whose sum is σ = 23521850726880. Its totient is φ = 20955830645232.

The previous prime is 22221021102061. The next prime is 22221021102107. The reversal of 22221021102101 is 10120112012222.

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 22221021102101 - 2¹⁰ = 22221021101077 is a prime.

It is a super-2 number, since 2×22221021102101² (a number of 27 digits) contains 22 as substring.

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 22221021102101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22221021102107) 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, 8909790695 + ... + 8909793188.

It is an arithmetic number, because the mean of its divisors is an integer number (2940231340860).

Almost surely, 2^{22221021102101} is an apocalyptic number.

It is an amenable number.

22221021102101 is a deficient number, since it is larger than the sum of its proper divisors (1300829624779).

22221021102101 is a wasteful number, since it uses less digits than its factorization.

22221021102101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17819583955.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22221021102101 its reverse (10120112012222), we get a palindrome (32341133114323).

The spelling of 22221021102101 in words is "twenty-two trillion, two hundred twenty-one billion, twenty-one million, one hundred two thousand, one hundred one".