2231210123011 has 8 divisors (see below), whose sum is σ = 2269074124800. Its totient is φ = 2193347684040.

The previous prime is 2231210122901. The next prime is 2231210123027. The reversal of 2231210123011 is 1103210121322.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2231210123011 is a prime.

It is a super-3 number, since 3×2231210123011³ (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 2231210123011.

It is not an unprimeable number, because it can be changed into a prime (2231210123911) 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, 2693746 + ... + 3423256.

It is an arithmetic number, because the mean of its divisors is an integer number (283634265600).

Almost surely, 2^{2231210123011} is an apocalyptic number.

2231210123011 is a deficient number, since it is larger than the sum of its proper divisors (37864001789).

2231210123011 is an equidigital number, since it uses as much as digits as its factorization.

2231210123011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781409.

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

Adding to 2231210123011 its reverse (1103210121322), we get a palindrome (3334420244333).

The spelling of 2231210123011 in words is "two trillion, two hundred thirty-one billion, two hundred ten million, one hundred twenty-three thousand, eleven".