22000201100021 has 4 divisors (see below), whose sum is σ = 22000307028000. Its totient is φ = 22000095172044.

The previous prime is 22000201099997. The next prime is 22000201100027. The reversal of 22000201100021 is 12000110200022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22000201100021 - 2⁶ = 22000201099957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22000201099975 and 22000201100011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000201100027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52651841 + ... + 53068038.

It is an arithmetic number, because the mean of its divisors is an integer number (5500076757000).

Almost surely, 2^{22000201100021} is an apocalyptic number.

It is an amenable number.

22000201100021 is a deficient number, since it is larger than the sum of its proper divisors (105927979).

22000201100021 is a wasteful number, since it uses less digits than its factorization.

22000201100021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105927978.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22000201100021 its reverse (12000110200022), we get a palindrome (34000311300043).

The spelling of 22000201100021 in words is "twenty-two trillion, two hundred one million, one hundred thousand, twenty-one".