211421023001 has 2 divisors, whose sum is σ = 211421023002. Its totient is φ = 211421023000.

The previous prime is 211421022991. The next prime is 211421023007. The reversal of 211421023001 is 100320124112.

211421023001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193227059776 + 18193963225 = 439576^2 + 134885^2 .

It is a cyclic number.

It is not a de Polignac number, because 211421023001 - 2²⁶ = 211353914137 is a prime.

It is not a weakly prime, because it can be changed into another prime (211421023007) 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 as a sum of consecutive naturals, namely, 105710511500 + 105710511501.

It is an arithmetic number, because the mean of its divisors is an integer number (105710511501).

Almost surely, 2^211421023001 is an apocalyptic number.

It is an amenable number.

211421023001 is a deficient number, since it is larger than the sum of its proper divisors (1).

211421023001 is an equidigital number, since it uses as much as digits as its factorization.

211421023001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 211421023001 its reverse (100320124112), we get a palindrome (311741147113).

The spelling of 211421023001 in words is "two hundred eleven billion, four hundred twenty-one million, twenty-three thousand, one".