20201122022001 has 4 divisors (see below), whose sum is σ = 26934829362672. Its totient is φ = 13467414681332.

The previous prime is 20201122021999. The next prime is 20201122022027. The reversal of 20201122022001 is 10022022110202.

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 a cyclic number.

It is not a de Polignac number, because 20201122022001 - 2¹ = 20201122021999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20201120022001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3366853670331 + ... + 3366853670336.

It is an arithmetic number, because the mean of its divisors is an integer number (6733707340668).

Almost surely, 2^{20201122022001} is an apocalyptic number.

It is an amenable number.

20201122022001 is a deficient number, since it is larger than the sum of its proper divisors (6733707340671).

20201122022001 is an equidigital number, since it uses as much as digits as its factorization.

20201122022001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6733707340670.

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

Adding to 20201122022001 its reverse (10022022110202), we get a palindrome (30223144132203).

The spelling of 20201122022001 in words is "twenty trillion, two hundred one billion, one hundred twenty-two million, twenty-two thousand, one".