1111212211300 has 18 divisors (see below), whose sum is σ = 2411330498738. Its totient is φ = 444484884480.

The previous prime is 1111212211297. The next prime is 1111212211331. The reversal of 1111212211300 is 31122121111.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 9165764644 + 1102046446656 = 95738^2 + 1049784^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5556060957 + ... + 5556061156.

Almost surely, 2^{1111212211300} is an apocalyptic number.

1111212211300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111212211300 is an abundant number, since it is smaller than the sum of its proper divisors (1300118287438).

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

1111212211300 is a wasteful number, since it uses less digits than its factorization.

1111212211300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11112122127 (or 11112122120 counting only the distinct ones).

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

Adding to 1111212211300 its reverse (31122121111), we get a palindrome (1142334332411).

The spelling of 1111212211300 in words is "one trillion, one hundred eleven billion, two hundred twelve million, two hundred eleven thousand, three hundred".