22120100010221 has 8 divisors (see below), whose sum is σ = 22261267390464. Its totient is φ = 21978936111600.

The previous prime is 22120100010187. The next prime is 22120100010227. The reversal of 22120100010221 is 12201000102122.

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 22120100010221 - 2¹⁸ = 22120099748077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22120100010196 and 22120100010205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120100010227) 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, 12533396 + ... + 14188946.

It is an arithmetic number, because the mean of its divisors is an integer number (2782658423808).

Almost surely, 2^{22120100010221} is an apocalyptic number.

It is an amenable number.

22120100010221 is a deficient number, since it is larger than the sum of its proper divisors (141167380243).

22120100010221 is a wasteful number, since it uses less digits than its factorization.

22120100010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1740811.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22120100010221 its reverse (12201000102122), we get a palindrome (34321100112343).

The spelling of 22120100010221 in words is "twenty-two trillion, one hundred twenty billion, one hundred million, ten thousand, two hundred twenty-one".