210001120011 has 24 divisors (see below), whose sum is σ = 310422031920. Its totient is φ = 136730474496.

The previous prime is 210001120009. The next prime is 210001120019. The reversal of 210001120011 is 110021100012.

It is a happy number.

It is not a de Polignac number, because 210001120011 - 2¹ = 210001120009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 210001119975 and 210001120002.

It is not an unprimeable number, because it can be changed into a prime (210001120019) 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, 4609335 + ... + 4654671.

It is an arithmetic number, because the mean of its divisors is an integer number (12934251330).

Almost surely, 2^210001120011 is an apocalyptic number.

210001120011 is a deficient number, since it is larger than the sum of its proper divisors (100420911909).

210001120011 is a wasteful number, since it uses less digits than its factorization.

210001120011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57355 (or 57352 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 210001120011 its reverse (110021100012), we get a palindrome (320022220023).

The spelling of 210001120011 in words is "two hundred ten billion, one million, one hundred twenty thousand, eleven".