1111201100012 has 48 divisors (see below), whose sum is σ = 1991055306240. Its totient is φ = 542390452800.

The previous prime is 1111201099993. The next prime is 1111201100039. The reversal of 1111201100012 is 2100011021111.

It is a junction number, because it is equal to n+sod(n) for n = 1111201099966 and 1111201100002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135162062 + ... + 135170282.

It is an arithmetic number, because the mean of its divisors is an integer number (41480318880).

Almost surely, 2^{1111201100012} is an apocalyptic number.

It is an amenable number.

1111201100012 is a deficient number, since it is larger than the sum of its proper divisors (879854206228).

1111201100012 is a wasteful number, since it uses less digits than its factorization.

1111201100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10022 (or 10020 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1111201100012 its reverse (2100011021111), we get a palindrome (3211212121123).

The spelling of 1111201100012 in words is "one trillion, one hundred eleven billion, two hundred one million, one hundred thousand, twelve".