1111131001 has 8 divisors (see below), whose sum is σ = 1178823680. Its totient is φ = 1044359568.

The previous prime is 1111130983. The next prime is 1111131041. The reversal of 1111131001 is 1001311111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1111131001 is a prime.

It is a super-2 number, since 2×1111131001² = 2469224202766524002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111131041) 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, 227826 + ... + 232651.

It is an arithmetic number, because the mean of its divisors is an integer number (147352960).

Almost surely, 2^1111131001 is an apocalyptic number.

It is an amenable number.

1111131001 is a deficient number, since it is larger than the sum of its proper divisors (67692679).

1111131001 is a wasteful number, since it uses less digits than its factorization.

1111131001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460623.

The product of its (nonzero) digits is 3, while the sum is 10.

The square root of 1111131001 is about 33333.6316803315. The cubic root of 1111131001 is about 1035.7503488653.

Adding to 1111131001 its reverse (1001311111), we get a palindrome (2112442112).

The spelling of 1111131001 in words is "one billion, one hundred eleven million, one hundred thirty-one thousand, one".