201120100011 has 16 divisors (see below), whose sum is σ = 299031367200. Its totient is φ = 133596018144.

The previous prime is 201120099997. The next prime is 201120100039. The reversal of 201120100011 is 110001021102.

It is a happy number.

It is not a de Polignac number, because 201120100011 - 2³⁴ = 183940230827 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 = 201120099966 and 201120100002.

It is not an unprimeable number, because it can be changed into a prime (201120100411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13438176 + ... + 13453133.

It is an arithmetic number, because the mean of its divisors is an integer number (18689460450).

Almost surely, 2^201120100011 is an apocalyptic number.

201120100011 is a deficient number, since it is larger than the sum of its proper divisors (97911267189).

201120100011 is a wasteful number, since it uses less digits than its factorization.

201120100011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26891595 (or 26891589 counting only the distinct ones).

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

Adding to 201120100011 its reverse (110001021102), we get a palindrome (311121121113).

The spelling of 201120100011 in words is "two hundred one billion, one hundred twenty million, one hundred thousand, eleven".