20221211112001 has 8 divisors (see below), whose sum is σ = 20346366583584. Its totient is φ = 20096372090400.

The previous prime is 20221211111999. The next prime is 20221211112017. The reversal of 20221211112001 is 10021111212202.

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 20221211112001 - 2¹ = 20221211111999 is a prime.

It is a super-2 number, since 2×20221211112001² (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 (20221211112041) 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, 78984300 + ... + 79239901.

It is an arithmetic number, because the mean of its divisors is an integer number (2543295822948).

Almost surely, 2^{20221211112001} is an apocalyptic number.

It is an amenable number.

20221211112001 is a deficient number, since it is larger than the sum of its proper divisors (125155471583).

20221211112001 is a wasteful number, since it uses less digits than its factorization.

20221211112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158224991.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20221211112001 its reverse (10021111212202), we get a palindrome (30242322324203).

The spelling of 20221211112001 in words is "twenty trillion, two hundred twenty-one billion, two hundred eleven million, one hundred twelve thousand, one".