201120112012011 has 4 divisors (see below), whose sum is σ = 268160149349352. Its totient is φ = 134080074674672.

The previous prime is 201120112011983. The next prime is 201120112012031. The reversal of 201120112012011 is 110210211021102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201120112012011 - 2⁶ = 201120112011947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201120112012031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33520018668666 + ... + 33520018668671.

It is an arithmetic number, because the mean of its divisors is an integer number (67040037337338).

Almost surely, 2^{201120112012011} is an apocalyptic number.

201120112012011 is a deficient number, since it is larger than the sum of its proper divisors (67040037337341).

201120112012011 is an equidigital number, since it uses as much as digits as its factorization.

201120112012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67040037337340.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 201120112012011 its reverse (110210211021102), we get a palindrome (311330323033113).

Subtracting from 201120112012011 its reverse (110210211021102), we obtain a palindrome (90909900990909).

The spelling of 201120112012011 in words is "two hundred one trillion, one hundred twenty billion, one hundred twelve million, twelve thousand, eleven".