211022001001 has 24 divisors (see below), whose sum is σ = 248506392960. Its totient is φ = 178643338272.

The previous prime is 211022000963. The next prime is 211022001019. The reversal of 211022001001 is 100100220112.

It is not a de Polignac number, because 211022001001 - 2⁹ = 211022000489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211022001031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19829440 + ... + 19840078.

It is an arithmetic number, because the mean of its divisors is an integer number (10354433040).

Almost surely, 2^211022001001 is an apocalyptic number.

It is an amenable number.

211022001001 is a deficient number, since it is larger than the sum of its proper divisors (37484391959).

211022001001 is a wasteful number, since it uses less digits than its factorization.

211022001001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15613 (or 15606 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 211022001001 its reverse (100100220112), we get a palindrome (311122221113).

The spelling of 211022001001 in words is "two hundred eleven billion, twenty-two million, one thousand, one".