20221210001 has 8 divisors (see below), whose sum is σ = 20383048224. Its totient is φ = 20059578400.

The previous prime is 20221209979. The next prime is 20221210003. The reversal of 20221210001 is 10001212202.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20221210001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20221210003) 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, 147926 + ... + 249648.

It is an arithmetic number, because the mean of its divisors is an integer number (2547881028).

Almost surely, 2^20221210001 is an apocalyptic number.

It is an amenable number.

20221210001 is a deficient number, since it is larger than the sum of its proper divisors (161838223).

20221210001 is a wasteful number, since it uses less digits than its factorization.

20221210001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103311.

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

Adding to 20221210001 its reverse (10001212202), we get a palindrome (30222422203).

The spelling of 20221210001 in words is "twenty billion, two hundred twenty-one million, two hundred ten thousand, one".