1001133112 has 48 divisors (see below), whose sum is σ = 2224839960. Its totient is φ = 420952896.

The previous prime is 1001133101. The next prime is 1001133139. The reversal of 1001133112 is 2113311001.

It is a junction number, because it is equal to n+sod(n) for n = 1001133092 and 1001133101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3318 + ... + 44869.

Almost surely, 2^1001133112 is an apocalyptic number.

It is an amenable number.

1001133112 is an abundant number, since it is smaller than the sum of its proper divisors (1223706848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1001133112 is a wasteful number, since it uses less digits than its factorization.

1001133112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48260 (or 48249 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1001133112 is about 31640.6876031479. The cubic root of 1001133112 is about 1000.3775614294.

Adding to 1001133112 its reverse (2113311001), we get a palindrome (3114444113).

The spelling of 1001133112 in words is "one billion, one million, one hundred thirty-three thousand, one hundred twelve".