20221010012001 has 4 divisors (see below), whose sum is σ = 26961346682672. Its totient is φ = 13480673341332.

The previous prime is 20221010011973. The next prime is 20221010012011. The reversal of 20221010012001 is 10021001012202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 20221010012001 - 2¹¹ = 20221010009953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20221010012011) 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 3 ways as a sum of consecutive naturals, for example, 3370168335331 + ... + 3370168335336.

It is an arithmetic number, because the mean of its divisors is an integer number (6740336670668).

Almost surely, 2^{20221010012001} is an apocalyptic number.

It is an amenable number.

20221010012001 is a deficient number, since it is larger than the sum of its proper divisors (6740336670671).

20221010012001 is an equidigital number, since it uses as much as digits as its factorization.

20221010012001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6740336670670.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20221010012001 its reverse (10021001012202), we get a palindrome (30242011024203).

The spelling of 20221010012001 in words is "twenty trillion, two hundred twenty-one billion, ten million, twelve thousand, one".