22021201210201 has 8 divisors (see below), whose sum is σ = 22780769243400. Its totient is φ = 21261647594880.

The previous prime is 22021201210189. The next prime is 22021201210271. The reversal of 22021201210201 is 10201210212022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2253529382976 + 19767671827225 = 1501176^2 + 4446085^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22021201210201 - 2¹⁵ = 22021201177433 is a prime.

It is a super-3 number, since 3×22021201210201³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22021201210271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450286 + ... + 6651703.

It is an arithmetic number, because the mean of its divisors is an integer number (2847596155425).

Almost surely, 2^{22021201210201} is an apocalyptic number.

It is an amenable number.

22021201210201 is a deficient number, since it is larger than the sum of its proper divisors (759568033199).

22021201210201 is a wasteful number, since it uses less digits than its factorization.

22021201210201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7208939.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22021201210201 its reverse (10201210212022), we get a palindrome (32222411422223).

The spelling of 22021201210201 in words is "twenty-two trillion, twenty-one billion, two hundred one million, two hundred ten thousand, two hundred one".