22021222101 has 16 divisors (see below), whose sum is σ = 29861713728. Its totient is φ = 14431075200.

The previous prime is 22021222063. The next prime is 22021222109. The reversal of 22021222101 is 10122212022.

It is not a de Polignac number, because 22021222101 - 2⁶ = 22021222037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021222109) 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, 260761 + ... + 334721.

It is an arithmetic number, because the mean of its divisors is an integer number (1866357108).

Almost surely, 2^22021222101 is an apocalyptic number.

It is an amenable number.

22021222101 is a deficient number, since it is larger than the sum of its proper divisors (7840491627).

22021222101 is a wasteful number, since it uses less digits than its factorization.

22021222101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75652.

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

Adding to 22021222101 its reverse (10122212022), we get a palindrome (32143434123).

The spelling of 22021222101 in words is "twenty-two billion, twenty-one million, two hundred twenty-two thousand, one hundred one".