11101021222100 has 18 divisors (see below), whose sum is σ = 24089216052174. Its totient is φ = 4440408488800.

The previous prime is 11101021222097. The next prime is 11101021222127. The reversal of 11101021222100 is 122212010111.

It can be written as a sum of positive squares in 3 ways, for example, as 3500446418704 + 7600574803396 = 1870948^2 + 2756914^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55505106011 + ... + 55505106210.

Almost surely, 2^{11101021222100} is an apocalyptic number.

11101021222100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11101021222100 is an abundant number, since it is smaller than the sum of its proper divisors (12988194830074).

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

11101021222100 is a wasteful number, since it uses less digits than its factorization.

11101021222100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111010212235 (or 111010212228 counting only the distinct ones).

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

Adding to 11101021222100 its reverse (122212010111), we get a palindrome (11223233232211).

The spelling of 11101021222100 in words is "eleven trillion, one hundred one billion, twenty-one million, two hundred twenty-two thousand, one hundred".