20211202120011 has 8 divisors (see below), whose sum is σ = 30798022278144. Its totient is φ = 11549258354280.

The previous prime is 20211202120009. The next prime is 20211202120037. The reversal of 20211202120011 is 11002120211202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20211202120011 - 2¹ = 20211202120009 is a prime.

It is a super-2 number, since 2×20211202120011² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20211202120411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 481219098075 + ... + 481219098116.

It is an arithmetic number, because the mean of its divisors is an integer number (3849752784768).

Almost surely, 2^{20211202120011} is an apocalyptic number.

20211202120011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20211202120011 is a deficient number, since it is larger than the sum of its proper divisors (10586820158133).

20211202120011 is an equidigital number, since it uses as much as digits as its factorization.

20211202120011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962438196201.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20211202120011 its reverse (11002120211202), we get a palindrome (31213322331213).

The spelling of 20211202120011 in words is "twenty trillion, two hundred eleven billion, two hundred two million, one hundred twenty thousand, eleven".