2011120332231 has 4 divisors (see below), whose sum is σ = 2681493776312. Its totient is φ = 1340746888152.

The previous prime is 2011120332229. The next prime is 2011120332239. The reversal of 2011120332231 is 1322330211102.

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

It is not a de Polignac number, because 2011120332231 - 2¹ = 2011120332229 is a prime.

It is a super-2 number, since 2×2011120332231² (a number of 25 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 = 2011120332198 and 2011120332207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011120332239) 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, 335186722036 + ... + 335186722041.

It is an arithmetic number, because the mean of its divisors is an integer number (670373444078).

Almost surely, 2^{2011120332231} is an apocalyptic number.

2011120332231 is a deficient number, since it is larger than the sum of its proper divisors (670373444081).

2011120332231 is an equidigital number, since it uses as much as digits as its factorization.

2011120332231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670373444080.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2011120332231 its reverse (1322330211102), we get a palindrome (3333450543333).

The spelling of 2011120332231 in words is "two trillion, eleven billion, one hundred twenty million, three hundred thirty-two thousand, two hundred thirty-one".