2231123201011 has 8 divisors (see below), whose sum is σ = 2242253306304. Its totient is φ = 2220014399040.

The previous prime is 2231123200973. The next prime is 2231123201101. The reversal of 2231123201011 is 1101023211322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2231123201011 - 2⁷ = 2231123200883 is a prime.

It is a super-3 number, since 3×2231123201011³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2231123201011.

It is not an unprimeable number, because it can be changed into a prime (2231123201711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5115826 + ... + 5534791.

It is an arithmetic number, because the mean of its divisors is an integer number (280281663288).

Almost surely, 2^{2231123201011} is an apocalyptic number.

2231123201011 is a deficient number, since it is larger than the sum of its proper divisors (11130105293).

2231123201011 is a wasteful number, since it uses less digits than its factorization.

2231123201011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10651661.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2231123201011 its reverse (1101023211322), we get a palindrome (3332146412333).

The spelling of 2231123201011 in words is "two trillion, two hundred thirty-one billion, one hundred twenty-three million, two hundred one thousand, eleven".