20222121021001 has 8 divisors (see below), whose sum is σ = 21298552496064. Its totient is φ = 19162123614480.

The previous prime is 20222121020947. The next prime is 20222121021029. The reversal of 20222121021001 is 10012012122202.

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 not a de Polignac number, because 20222121021001 - 2¹⁵ = 20222120988233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20222121022001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4108514610 + ... + 4108519531.

It is an arithmetic number, because the mean of its divisors is an integer number (2662319062008).

Almost surely, 2^{20222121021001} is an apocalyptic number.

It is an amenable number.

20222121021001 is a deficient number, since it is larger than the sum of its proper divisors (1076431475063).

20222121021001 is a wasteful number, since it uses less digits than its factorization.

20222121021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8217034271.

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

Adding to 20222121021001 its reverse (10012012122202), we get a palindrome (30234133143203).

The spelling of 20222121021001 in words is "twenty trillion, two hundred twenty-two billion, one hundred twenty-one million, twenty-one thousand, one".