22201210003021 has 12 divisors (see below), whose sum is σ = 25827580803900. Its totient is φ = 19028368134720.

The previous prime is 22201210003001. The next prime is 22201210003031. The reversal of 22201210003021 is 12030001210222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3116587728996 + 19084622274025 = 1765386^2 + 4368595^2 .

It is not a de Polignac number, because 22201210003021 - 2¹⁷ = 22201209871949 is a prime.

It is a super-3 number, since 3×22201210003021³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22201210002986 and 22201210003004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201210003001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14007360 + ... + 15511561.

It is an arithmetic number, because the mean of its divisors is an integer number (2152298400325).

Almost surely, 2^{22201210003021} is an apocalyptic number.

It is an amenable number.

22201210003021 is a deficient number, since it is larger than the sum of its proper divisors (3626370800879).

22201210003021 is a wasteful number, since it uses less digits than its factorization.

22201210003021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29534284 (or 29534277 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 22201210003021 its reverse (12030001210222), we get a palindrome (34231211213243).

The spelling of 22201210003021 in words is "twenty-two trillion, two hundred one billion, two hundred ten million, three thousand, twenty-one".