11001223100 has 72 divisors (see below), whose sum is σ = 27297732000. Its totient is φ = 3769816320.

The previous prime is 11001223099. The next prime is 11001223153. The reversal of 11001223100 is 132210011.

It is a super-2 number, since 2×11001223100² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1921442 + ... + 1927158.

Almost surely, 2^11001223100 is an apocalyptic number.

11001223100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11001223100 is an abundant number, since it is smaller than the sum of its proper divisors (16296508900).

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

11001223100 is a wasteful number, since it uses less digits than its factorization.

11001223100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8487 (or 8480 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 11001223100 its reverse (132210011), we get a palindrome (11133433111).

The spelling of 11001223100 in words is "eleven billion, one million, two hundred twenty-three thousand, one hundred".