1001121112 has 16 divisors (see below), whose sum is σ = 1879554600. Its totient is φ = 499906560.

The previous prime is 1001121089. The next prime is 1001121119. The reversal of 1001121112 is 2111211001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001121119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75214 + ... + 87517.

Almost surely, 2^1001121112 is an apocalyptic number.

It is an amenable number.

1001121112 is a deficient number, since it is larger than the sum of its proper divisors (878433488).

1001121112 is a wasteful number, since it uses less digits than its factorization.

1001121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163506 (or 163502 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

The square root of 1001121112 is about 31640.4979733253. The cubic root of 1001121112 is about 1000.3735644322.

Adding to 1001121112 its reverse (2111211001), we get a palindrome (3112332113).

The spelling of 1001121112 in words is "one billion, one million, one hundred twenty-one thousand, one hundred twelve".