11011213100 has 36 divisors (see below), whose sum is σ = 23998724400. Its totient is φ = 4385242560.

The previous prime is 11011213097. The next prime is 11011213133. The reversal of 11011213100 is 131211011.

It is a happy number.

It is a super-2 number, since 2×11011213100² (a number of 21 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, 217520 + ... + 263319.

Almost surely, 2^11011213100 is an apocalyptic number.

11011213100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11011213100 is an abundant number, since it is smaller than the sum of its proper divisors (12987511300).

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

11011213100 is a wasteful number, since it uses less digits than its factorization.

11011213100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481082 (or 481075 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 11011213100 its reverse (131211011), we get a palindrome (11142424111).

The spelling of 11011213100 in words is "eleven billion, eleven million, two hundred thirteen thousand, one hundred".