22101212120201 has 8 divisors (see below), whose sum is σ = 22116934982400. Its totient is φ = 22085493208272.

The previous prime is 22101212120147. The next prime is 22101212120209. The reversal of 22101212120201 is 10202121210122.

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 22101212120201 - 2²² = 22101207925897 is a prime.

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 22101212120201.

It is not an unprimeable number, because it can be changed into a prime (22101212120209) 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, 10251575 + ... + 12218723.

It is an arithmetic number, because the mean of its divisors is an integer number (2764616872800).

Almost surely, 2^{22101212120201} is an apocalyptic number.

It is an amenable number.

22101212120201 is a deficient number, since it is larger than the sum of its proper divisors (15722862199).

22101212120201 is a wasteful number, since it uses less digits than its factorization.

22101212120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1975135.

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

Adding to 22101212120201 its reverse (10202121210122), we get a palindrome (32303333330323).

The spelling of 22101212120201 in words is "twenty-two trillion, one hundred one billion, two hundred twelve million, one hundred twenty thousand, two hundred one".