11100100212021 has 72 divisors (see below), whose sum is σ = 15539987000160. Its totient is φ = 7047541073664.

The previous prime is 11100100211987. The next prime is 11100100212029. The reversal of 11100100212021 is 12021200100111.

It is not a de Polignac number, because 11100100212021 - 2³³ = 11091510277429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11100100211988 and 11100100212006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100100212029) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6495084115 + ... + 6495085823.

It is an arithmetic number, because the mean of its divisors is an integer number (215833152780).

Almost surely, 2^{11100100212021} is an apocalyptic number.

It is an amenable number.

11100100212021 is a deficient number, since it is larger than the sum of its proper divisors (4439886788139).

11100100212021 is an equidigital number, since it uses as much as digits as its factorization.

11100100212021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2455 (or 2365 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11100100212021 its reverse (12021200100111), we get a palindrome (23121300312132).

The spelling of 11100100212021 in words is "eleven trillion, one hundred billion, one hundred million, two hundred twelve thousand, twenty-one".