20222121201 has 8 divisors (see below), whose sum is σ = 27030746304. Its totient is φ = 13447455120.

The previous prime is 20222121181. The next prime is 20222121217. The reversal of 20222121201 is 10212122202.

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

It is not a de Polignac number, because 20222121201 - 2¹⁴ = 20222104817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20222121701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8488365 + ... + 8490746.

It is an arithmetic number, because the mean of its divisors is an integer number (3378843288).

Almost surely, 2^20222121201 is an apocalyptic number.

It is an amenable number.

20222121201 is a deficient number, since it is larger than the sum of its proper divisors (6808625103).

20222121201 is a wasteful number, since it uses less digits than its factorization.

20222121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16979511.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20222121201 its reverse (10212122202), we get a palindrome (30434243403).

The spelling of 20222121201 in words is "twenty billion, two hundred twenty-two million, one hundred twenty-one thousand, two hundred one".