1201112201112 has 32 divisors (see below), whose sum is σ = 3002951950080. Its totient is φ = 400347874080.

The previous prime is 1201112201041. The next prime is 1201112201119. The reversal of 1201112201112 is 2111022111021.

It is a happy number.

It is a super-2 number, since 2×1201112201112² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1201112201091 and 1201112201100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201112201119) 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, 996964 + ... + 1842867.

It is an arithmetic number, because the mean of its divisors is an integer number (93842248440).

Almost surely, 2^{1201112201112} is an apocalyptic number.

1201112201112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1201112201112 is an abundant number, since it is smaller than the sum of its proper divisors (1801839748968).

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

1201112201112 is a wasteful number, since it uses less digits than its factorization.

1201112201112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2857463 (or 2857459 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1201112201112 its reverse (2111022111021), we get a palindrome (3312134312133).

Subtracting 1201112201112 from its reverse (2111022111021), we obtain a palindrome (909909909909).

The spelling of 1201112201112 in words is "one trillion, two hundred one billion, one hundred twelve million, two hundred one thousand, one hundred twelve".