11122215600 has 60 divisors (see below), whose sum is σ = 35628167816. Its totient is φ = 2965923840.

The previous prime is 11122215589. The next prime is 11122215617. The reversal of 11122215600 is 651222111.

It is a tau number, because it is divible by the number of its divisors (60).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4633057 + ... + 4635456.

Almost surely, 2^11122215600 is an apocalyptic number.

11122215600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11122215600 is an abundant number, since it is smaller than the sum of its proper divisors (24505952216).

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

11122215600 is a wasteful number, since it uses less digits than its factorization.

11122215600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9268534 (or 9268523 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 11122215600 its reverse (651222111), we get a palindrome (11773437711).

The spelling of 11122215600 in words is "eleven billion, one hundred twenty-two million, two hundred fifteen thousand, six hundred".