11221122001100 has 72 divisors (see below), whose sum is σ = 26568886649088. Its totient is φ = 4079573812800.

The previous prime is 11221122001057. The next prime is 11221122001121. The reversal of 11221122001100 is 110022112211.

It is a zygodrome in base 10.

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, 4353017 + ... + 6433583.

Almost surely, 2^{11221122001100} is an apocalyptic number.

11221122001100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11221122001100 is an abundant number, since it is smaller than the sum of its proper divisors (15347764647988).

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

11221122001100 is a wasteful number, since it uses less digits than its factorization.

11221122001100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2085495 (or 2085488 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11221122001100 its reverse (110022112211), we get a palindrome (11331144113311).

The spelling of 11221122001100 in words is "eleven trillion, two hundred twenty-one billion, one hundred twenty-two million, one thousand, one hundred".