22101210010221 has 8 divisors (see below), whose sum is σ = 30024285297120. Its totient is φ = 14456137365072.

The previous prime is 22101210010219. The next prime is 22101210010259. The reversal of 22101210010221 is 12201001210122.

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

It is not a de Polignac number, because 22101210010221 - 2¹ = 22101210010219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22101210010221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101210010721) 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, 69500660251 + ... + 69500660568.

It is an arithmetic number, because the mean of its divisors is an integer number (3753035662140).

Almost surely, 2^{22101210010221} is an apocalyptic number.

It is an amenable number.

22101210010221 is a deficient number, since it is larger than the sum of its proper divisors (7923075286899).

22101210010221 is a wasteful number, since it uses less digits than its factorization.

22101210010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139001320875.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22101210010221 its reverse (12201001210122), we get a palindrome (34302211220343).

The spelling of 22101210010221 in words is "twenty-two trillion, one hundred one billion, two hundred ten million, ten thousand, two hundred twenty-one".