1131111112101 has 8 divisors (see below), whose sum is σ = 1508331143520. Its totient is φ = 753982577712.

The previous prime is 1131111112013. The next prime is 1131111112111. The reversal of 1131111112101 is 1012111111311.

It is a happy number.

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

It is not a de Polignac number, because 1131111112101 - 2³⁷ = 993672158629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131111112111) 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, 22845406 + ... + 22894863.

It is an arithmetic number, because the mean of its divisors is an integer number (188541392940).

Almost surely, 2^{1131111112101} is an apocalyptic number.

It is an amenable number.

1131111112101 is a deficient number, since it is larger than the sum of its proper divisors (377220031419).

1131111112101 is an equidigital number, since it uses as much as digits as its factorization.

1131111112101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45748515.

The product of its (nonzero) digits is 6, while the sum is 15.

Adding to 1131111112101 its reverse (1012111111311), we get a palindrome (2143222223412).

The spelling of 1131111112101 in words is "one trillion, one hundred thirty-one billion, one hundred eleven million, one hundred twelve thousand, one hundred one".