22021122201 has 32 divisors (see below), whose sum is σ = 31936020480. Its totient is φ = 13416508224.

The previous prime is 22021122187. The next prime is 22021122241. The reversal of 22021122201 is 10222112022.

It is a de Polignac number, because none of the positive numbers 2^k-22021122201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22021122241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2486940 + ... + 2495778.

It is an arithmetic number, because the mean of its divisors is an integer number (998000640).

Almost surely, 2^22021122201 is an apocalyptic number.

It is an amenable number.

22021122201 is a deficient number, since it is larger than the sum of its proper divisors (9914898279).

22021122201 is a wasteful number, since it uses less digits than its factorization.

22021122201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9485.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22021122201 its reverse (10222112022), we get a palindrome (32243234223).

The spelling of 22021122201 in words is "twenty-two billion, twenty-one million, one hundred twenty-two thousand, two hundred one".