1331112101 has 8 divisors (see below), whose sum is σ = 1452981024. Its totient is φ = 1209386320.

The previous prime is 1331112073. The next prime is 1331112137. The reversal of 1331112101 is 1012111331.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1331112101 - 2²² = 1326917797 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331112401) 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, 15851 + ... + 53976.

It is an arithmetic number, because the mean of its divisors is an integer number (181622628).

Almost surely, 2^1331112101 is an apocalyptic number.

1331112101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1331112101 is a deficient number, since it is larger than the sum of its proper divisors (121868923).

1331112101 is a wasteful number, since it uses less digits than its factorization.

1331112101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71571.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 1331112101 is about 36484.4090126180. The cubic root of 1331112101 is about 1100.0308809512.

Adding to 1331112101 its reverse (1012111331), we get a palindrome (2343223432).

The spelling of 1331112101 in words is "one billion, three hundred thirty-one million, one hundred twelve thousand, one hundred one".