201120511 has 2 divisors, whose sum is σ = 201120512. Its totient is φ = 201120510.

The previous prime is 201120499. The next prime is 201120553. The reversal of 201120511 is 115021102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201120511 - 2⁷ = 201120383 is a prime.

It is a super-2 number, since 2×201120511² = 80898919889802242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201120491 and 201120500.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201120811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100560255 + 100560256.

It is an arithmetic number, because the mean of its divisors is an integer number (100560256).

Almost surely, 2^201120511 is an apocalyptic number.

201120511 is a deficient number, since it is larger than the sum of its proper divisors (1).

201120511 is an equidigital number, since it uses as much as digits as its factorization.

201120511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 201120511 is about 14181.6963371805. The cubic root of 201120511 is about 585.8936457385.

Adding to 201120511 its reverse (115021102), we get a palindrome (316141613).

It can be divided in two parts, 2011 and 20511, that added together give a palindrome (22522).

The spelling of 201120511 in words is "two hundred one million, one hundred twenty thousand, five hundred eleven".