11001212220200 has 48 divisors (see below), whose sum is σ = 27082395973980. Its totient is φ = 4141632834560.

The previous prime is 11001212220181. The next prime is 11001212220247. The reversal of 11001212220200 is 202221210011.

It can be written as a sum of positive squares in 6 ways, for example, as 4406783386756 + 6594428833444 = 2099234^2 + 2567962^2 .

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, 1617821927 + ... + 1617828726.

Almost surely, 2^{11001212220200} is an apocalyptic number.

11001212220200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11001212220200 is an abundant number, since it is smaller than the sum of its proper divisors (16081183753780).

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

11001212220200 is a wasteful number, since it uses less digits than its factorization.

11001212220200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3235650686 (or 3235650677 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11001212220200 its reverse (202221210011), we get a palindrome (11203433430211).

The spelling of 11001212220200 in words is "eleven trillion, one billion, two hundred twelve million, two hundred twenty thousand, two hundred".