22221012022101 has 16 divisors (see below), whose sum is σ = 32930144061120. Its totient is φ = 14809451202000.

The previous prime is 22221012022037. The next prime is 22221012022193. The reversal of 22221012022101 is 10122021012222.

It is a happy number.

22221012022101 is a `hidden beast` number, since 222 + 210 + 1 + 20 + 2 + 210 + 1 = 666.

It is not a de Polignac number, because 22221012022101 - 2⁶ = 22221012022037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22221012022901) 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, 126488730 + ... + 126664283.

It is an arithmetic number, because the mean of its divisors is an integer number (2058134003820).

Almost surely, 2^{22221012022101} is an apocalyptic number.

It is an amenable number.

22221012022101 is a deficient number, since it is larger than the sum of its proper divisors (10709132039019).

22221012022101 is a wasteful number, since it uses less digits than its factorization.

22221012022101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253156273 (or 253156267 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22221012022101 its reverse (10122021012222), we get a palindrome (32343033034323).

The spelling of 22221012022101 in words is "twenty-two trillion, two hundred twenty-one billion, twelve million, twenty-two thousand, one hundred one".