10211000111001 has 24 divisors (see below), whose sum is σ = 16038900024264. Its totient is φ = 6233742512640.

The previous prime is 10211000110973. The next prime is 10211000111027. The reversal of 10211000111001 is 10011100011201.

10211000111001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3041270917776 + 7169729193225 = 1743924^2 + 2677635^2 .

It is not a de Polignac number, because 10211000111001 - 2²² = 10210995916697 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (10211000111071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 901866810 + ... + 901878131.

It is an arithmetic number, because the mean of its divisors is an integer number (668287501011).

Almost surely, 2^{10211000111001} is an apocalyptic number.

It is an amenable number.

10211000111001 is a deficient number, since it is larger than the sum of its proper divisors (5827899913263).

10211000111001 is a wasteful number, since it uses less digits than its factorization.

10211000111001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1803745001 (or 1803744998 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 10211000111001 its reverse (10011100011201), we get a palindrome (20222100122202).

The spelling of 10211000111001 in words is "ten trillion, two hundred eleven billion, one hundred eleven thousand, one".