20211302212201 has 4 divisors (see below), whose sum is σ = 20215843061904. Its totient is φ = 20206761362500.

The previous prime is 20211302212169. The next prime is 20211302212219. The reversal of 20211302212201 is 10221220311202.

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 20211302212201 - 2⁵ = 20211302212169 is a prime.

It is a super-2 number, since 2×20211302212201² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20211302212501) 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, 2270418175 + ... + 2270427076.

It is an arithmetic number, because the mean of its divisors is an integer number (5053960765476).

Almost surely, 2^{20211302212201} is an apocalyptic number.

It is an amenable number.

20211302212201 is a deficient number, since it is larger than the sum of its proper divisors (4540849703).

20211302212201 is an equidigital number, since it uses as much as digits as its factorization.

20211302212201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4540849702.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 20211302212201 its reverse (10221220311202), we get a palindrome (30432522523403).

The spelling of 20211302212201 in words is "twenty trillion, two hundred eleven billion, three hundred two million, two hundred twelve thousand, two hundred one".