11021112112100 has 36 divisors (see below), whose sum is σ = 23949545190900. Its totient is φ = 4402226981760.

The previous prime is 11021112112091. The next prime is 11021112112103. The reversal of 11021112112100 is 121121112011.

It can be written as a sum of positive squares in 6 ways, for example, as 482310804196 + 10538801307904 = 694486^2 + 3246352^2 .

It is not an unprimeable number, because it can be changed into a prime (11021112112103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77652035 + ... + 77793834.

Almost surely, 2^{11021112112100} is an apocalyptic number.

11021112112100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11021112112100 is an abundant number, since it is smaller than the sum of its proper divisors (12928433078800).

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

11021112112100 is a wasteful number, since it uses less digits than its factorization.

11021112112100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155446592 (or 155446585 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11021112112100 its reverse (121121112011), we get a palindrome (11142233224111).

The spelling of 11021112112100 in words is "eleven trillion, twenty-one billion, one hundred twelve million, one hundred twelve thousand, one hundred".