22101210011021 has 8 divisors (see below), whose sum is σ = 22388531592000. Its totient is φ = 21814389428832.

The previous prime is 22101210011017. The next prime is 22101210011099. The reversal of 22101210011021 is 12011001210122.

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 22101210011021 - 2² = 22101210011017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22101210010987 and 22101210011005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101210011011) 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, 125160896 + ... + 125337353.

It is an arithmetic number, because the mean of its divisors is an integer number (2798566449000).

Almost surely, 2^{22101210011021} is an apocalyptic number.

It is an amenable number.

22101210011021 is a deficient number, since it is larger than the sum of its proper divisors (287321580979).

22101210011021 is a wasteful number, since it uses less digits than its factorization.

22101210011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250499395.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 22101210011021 its reverse (12011001210122), we get a palindrome (34112211221143).

The spelling of 22101210011021 in words is "twenty-two trillion, one hundred one billion, two hundred ten million, eleven thousand, twenty-one".