20222121102201 has 24 divisors (see below), whose sum is σ = 29999739020160. Its totient is φ = 13116808257696.

The previous prime is 20222121102193. The next prime is 20222121102203. The reversal of 20222121102201 is 10220112122202.

It is a happy number.

20222121102201 is a `hidden beast` number, since 20 + 222 + 121 + 102 + 201 = 666.

It is not a de Polignac number, because 20222121102201 - 2³ = 20222121102193 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20222121102203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18374010 + ... + 19443468.

It is an arithmetic number, because the mean of its divisors is an integer number (1249989125840).

Almost surely, 2^{20222121102201} is an apocalyptic number.

It is an amenable number.

20222121102201 is a deficient number, since it is larger than the sum of its proper divisors (9777617917959).

20222121102201 is a wasteful number, since it uses less digits than its factorization.

20222121102201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126285 (or 1126282 counting only the distinct ones).

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

Adding to 20222121102201 its reverse (10220112122202), we get a palindrome (30442233224403).

The spelling of 20222121102201 in words is "twenty trillion, two hundred twenty-two billion, one hundred twenty-one million, one hundred two thousand, two hundred one".