22212001022201 has 16 divisors (see below), whose sum is σ = 24213049808640. Its totient is φ = 20305943920080.

The previous prime is 22212001022143. The next prime is 22212001022209. The reversal of 22212001022201 is 10222010021222.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22212001022201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22212001022201.

It is not an unprimeable number, because it can be changed into a prime (22212001022209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163710935 + ... + 163846556.

It is an arithmetic number, because the mean of its divisors is an integer number (1513315613040).

Almost surely, 2^{22212001022201} is an apocalyptic number.

It is an amenable number.

22212001022201 is a deficient number, since it is larger than the sum of its proper divisors (2001048786439).

22212001022201 is a wasteful number, since it uses less digits than its factorization.

22212001022201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327557636.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22212001022201 its reverse (10222010021222), we get a palindrome (32434011043423).

The spelling of 22212001022201 in words is "twenty-two trillion, two hundred twelve billion, one million, twenty-two thousand, two hundred one".