20212001002211 has 4 divisors (see below), whose sum is σ = 20212877787552. Its totient is φ = 20211124216872.

The previous prime is 20212001002201. The next prime is 20212001002243. The reversal of 20212001002211 is 11220010021202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20212001002211 - 2⁶ = 20212001002147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20212001002201) 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, 438358091 + ... + 438404196.

It is an arithmetic number, because the mean of its divisors is an integer number (5053219446888).

Almost surely, 2^{20212001002211} is an apocalyptic number.

20212001002211 is a deficient number, since it is larger than the sum of its proper divisors (876785341).

20212001002211 is an equidigital number, since it uses as much as digits as its factorization.

20212001002211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876785340.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20212001002211 its reverse (11220010021202), we get a palindrome (31432011023413).

The spelling of 20212001002211 in words is "twenty trillion, two hundred twelve billion, one million, two thousand, two hundred eleven".