2231020032011 has 8 divisors (see below), whose sum is σ = 2390940387744. Its totient is φ = 2076342966720.

The previous prime is 2231020031983. The next prime is 2231020032023. The reversal of 2231020032011 is 1102300201322.

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-2231020032011 is a prime.

It is a super-3 number, since 3×2231020032011³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2231020032071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1310821730 + ... + 1310823431.

It is an arithmetic number, because the mean of its divisors is an integer number (298867548468).

Almost surely, 2^{2231020032011} is an apocalyptic number.

2231020032011 is a deficient number, since it is larger than the sum of its proper divisors (159920355733).

2231020032011 is a wasteful number, since it uses less digits than its factorization.

2231020032011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2621645221.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2231020032011 its reverse (1102300201322), we get a palindrome (3333320233333).

The spelling of 2231020032011 in words is "two trillion, two hundred thirty-one billion, twenty million, thirty-two thousand, eleven".