1111203102112 has 24 divisors (see below), whose sum is σ = 2209341322692. Its totient is φ = 550100544000.

The previous prime is 1111203102059. The next prime is 1111203102173. The reversal of 1111203102112 is 2112013021111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 774111386896 + 337091715216 = 879836^2 + 580596^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171903189 + ... + 171909652.

Almost surely, 2^{1111203102112} is an apocalyptic number.

It is an amenable number.

1111203102112 is a deficient number, since it is larger than the sum of its proper divisors (1098138220580).

1111203102112 is a wasteful number, since it uses less digits than its factorization.

1111203102112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343812952 (or 343812944 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 1111203102112 its reverse (2112013021111), we get a palindrome (3223216123223).

The spelling of 1111203102112 in words is "one trillion, one hundred eleven billion, two hundred three million, one hundred two thousand, one hundred twelve".