22021102000201 has 4 divisors (see below), whose sum is σ = 22021163514900. Its totient is φ = 22021040485504.

The previous prime is 22021102000193. The next prime is 22021102000279. The reversal of 22021102000201 is 10200020112022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16102756454976 + 5918345545225 = 4012824^2 + 2432765^2 .

It is a cyclic number.

It is not a de Polignac number, because 22021102000201 - 2³ = 22021102000193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22021102000301) 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, 30217216 + ... + 30937393.

It is an arithmetic number, because the mean of its divisors is an integer number (5505290878725).

Almost surely, 2^{22021102000201} is an apocalyptic number.

It is an amenable number.

22021102000201 is a deficient number, since it is larger than the sum of its proper divisors (61514699).

22021102000201 is an equidigital number, since it uses as much as digits as its factorization.

22021102000201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61514698.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22021102000201 its reverse (10200020112022), we get a palindrome (32221122112223).

The spelling of 22021102000201 in words is "twenty-two trillion, twenty-one billion, one hundred two million, two hundred one", and thus it is an aban number.