1001113111023 has 16 divisors (see below), whose sum is σ = 1392876331776. Its totient is φ = 638380286720.

The previous prime is 1001113110973. The next prime is 1001113111081. The reversal of 1001113111023 is 3201113111001.

It is not a de Polignac number, because 1001113111023 - 2¹³ = 1001113102831 is a prime.

It is a super-3 number, since 3×1001113111023³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1001113110993 and 1001113111011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001113111123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7266943 + ... + 7403423.

It is an arithmetic number, because the mean of its divisors is an integer number (87054770736).

Almost surely, 2^{1001113111023} is an apocalyptic number.

1001113111023 is a deficient number, since it is larger than the sum of its proper divisors (391763220753).

1001113111023 is a wasteful number, since it uses less digits than its factorization.

1001113111023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242814.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 1001113111023 its reverse (3201113111001), we get a palindrome (4202226222024).

The spelling of 1001113111023 in words is "one trillion, one billion, one hundred thirteen million, one hundred eleven thousand, twenty-three".