11011203111200 has 72 divisors (see below), whose sum is σ = 26913527150580. Its totient is φ = 4399167974400.

The previous prime is 11011203111187. The next prime is 11011203111239. The reversal of 11011203111200 is 211130211011.

It can be written as a sum of positive squares in 6 ways, for example, as 1034524957456 + 9976678153744 = 1017116^2 + 3158588^2 .

It is a super-2 number, since 2×11011203111200² (a number of 27 digits) contains 22 as substring.

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, 7638371 + ... + 8964770.

Almost surely, 2^{11011203111200} is an apocalyptic number.

11011203111200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11011203111200 is an abundant number, since it is smaller than the sum of its proper divisors (15902324039380).

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

11011203111200 is a wasteful number, since it uses less digits than its factorization.

11011203111200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16603990 (or 16603977 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 11011203111200 its reverse (211130211011), we get a palindrome (11222333322211).

The spelling of 11011203111200 in words is "eleven trillion, eleven billion, two hundred three million, one hundred eleven thousand, two hundred".