1023111121113 has 12 divisors (see below), whose sum is σ = 1480344775728. Its totient is φ = 680912111160.

The previous prime is 1023111121111. The next prime is 1023111121183. The reversal of 1023111121113 is 3111211113201.

It is not a de Polignac number, because 1023111121113 - 2¹ = 1023111121111 is a prime.

It is a super-2 number, since 2×1023111121113² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1023111121111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96825223 + ... + 96835788.

It is an arithmetic number, because the mean of its divisors is an integer number (123362064644).

Almost surely, 2^{1023111121113} is an apocalyptic number.

It is an amenable number.

1023111121113 is a deficient number, since it is larger than the sum of its proper divisors (457233654615).

1023111121113 is a wasteful number, since it uses less digits than its factorization.

1023111121113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193661604 (or 193661601 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 1023111121113 its reverse (3111211113201), we get a palindrome (4134322234314).

The spelling of 1023111121113 in words is "one trillion, twenty-three billion, one hundred eleven million, one hundred twenty-one thousand, one hundred thirteen".