1201011112 has 16 divisors (see below), whose sum is σ = 2573595360. Its totient is φ = 514719024.

The previous prime is 1201011107. The next prime is 1201011131. The reversal of 1201011112 is 2111101021.

It is a super-2 number, since 2×1201011112² = 2884855382294953088, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10723258 + ... + 10723369.

It is an arithmetic number, because the mean of its divisors is an integer number (160849710).

Almost surely, 2^1201011112 is an apocalyptic number.

It is an amenable number.

1201011112 is an abundant number, since it is smaller than the sum of its proper divisors (1372584248).

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

1201011112 is a wasteful number, since it uses less digits than its factorization.

1201011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21446640 (or 21446636 counting only the distinct ones).

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

The square root of 1201011112 is about 34655.6072230743. The cubic root of 1201011112 is about 1062.9569484028.

Adding to 1201011112 its reverse (2111101021), we get a palindrome (3312112133).

The spelling of 1201011112 in words is "one billion, two hundred one million, eleven thousand, one hundred twelve".