2331012221111 has 8 divisors (see below), whose sum is σ = 2664024875904. Its totient is φ = 1998002293560.

The previous prime is 2331012221059. The next prime is 2331012221113. The reversal of 2331012221111 is 1111222101332.

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

It is not a de Polignac number, because 2331012221111 - 2¹⁰ = 2331012220087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331012221113) 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, 1708316 + ... + 2753246.

It is an arithmetic number, because the mean of its divisors is an integer number (333003109488).

Almost surely, 2^{2331012221111} is an apocalyptic number.

2331012221111 is a deficient number, since it is larger than the sum of its proper divisors (333012654793).

2331012221111 is a wasteful number, since it uses less digits than its factorization.

2331012221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363621.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 2331012221111 its reverse (1111222101332), we get a palindrome (3442234322443).

The spelling of 2331012221111 in words is "two trillion, three hundred thirty-one billion, twelve million, two hundred twenty-one thousand, one hundred eleven".