1201021112 has 32 divisors (see below), whose sum is σ = 2297478000. Its totient is φ = 588466944.

The previous prime is 1201021111. The next prime is 1201021139. The reversal of 1201021112 is 2111201021.

It is a super-2 number, since 2×1201021112² = 2884903422939433088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1201021093 and 1201021102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201021111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85139 + ... + 98237.

Almost surely, 2^1201021112 is an apocalyptic number.

It is an amenable number.

1201021112 is a deficient number, since it is larger than the sum of its proper divisors (1096456888).

1201021112 is a wasteful number, since it uses less digits than its factorization.

1201021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13335 (or 13331 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1201021112 is about 34655.7514995707. The cubic root of 1201021112 is about 1062.9598985671.

Adding to 1201021112 its reverse (2111201021), we get a palindrome (3312222133).

The spelling of 1201021112 in words is "one billion, two hundred one million, twenty-one thousand, one hundred twelve".