201120120011011 has 4 divisors (see below), whose sum is σ = 209864473054992. Its totient is φ = 192375766967032.

The previous prime is 201120120011009. The next prime is 201120120011021. The reversal of 201120120011011 is 110110021021102.

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 201120120011011 - 2¹ = 201120120011009 is a prime.

It is a super-2 number, since 2×201120120011011² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201120120010982 and 201120120011000.

It is not an unprimeable number, because it can be changed into a prime (201120120011021) 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, 4372176521956 + ... + 4372176522001.

It is an arithmetic number, because the mean of its divisors is an integer number (52466118263748).

Almost surely, 2^{201120120011011} is an apocalyptic number.

201120120011011 is a deficient number, since it is larger than the sum of its proper divisors (8744353043981).

201120120011011 is an equidigital number, since it uses as much as digits as its factorization.

201120120011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8744353043980.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 201120120011011 its reverse (110110021021102), we get a palindrome (311230141032113).

The spelling of 201120120011011 in words is "two hundred one trillion, one hundred twenty billion, one hundred twenty million, eleven thousand, eleven".