22012212122201 has 8 divisors (see below), whose sum is σ = 25175771523840. Its totient is φ = 18853392138048.

The previous prime is 22012212122191. The next prime is 22012212122267. The reversal of 22012212122201 is 10222121221022.

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 22012212122201 - 2⁶ = 22012212122137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22012212121201) 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, 1184844416 + ... + 1184862993.

It is an arithmetic number, because the mean of its divisors is an integer number (3146971440480).

Almost surely, 2^{22012212122201} is an apocalyptic number.

It is an amenable number.

22012212122201 is a deficient number, since it is larger than the sum of its proper divisors (3163559401639).

22012212122201 is a wasteful number, since it uses less digits than its factorization.

22012212122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2369708743.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22012212122201 its reverse (10222121221022), we get a palindrome (32234333343223).

The spelling of 22012212122201 in words is "twenty-two trillion, twelve billion, two hundred twelve million, one hundred twenty-two thousand, two hundred one".