11112101102021 has 4 divisors (see below), whose sum is σ = 11116947201612. Its totient is φ = 11107255002432.

The previous prime is 11112101101963. The next prime is 11112101102033. The reversal of 11112101102021 is 12020110121111.

11112101102021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5411997376900 + 5700103725121 = 2326370^2 + 2387489^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11112101102021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11112101101987 and 11112101102005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112101102041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2423046356 + ... + 2423050941.

It is an arithmetic number, because the mean of its divisors is an integer number (2779236800403).

Almost surely, 2^{11112101102021} is an apocalyptic number.

It is an amenable number.

11112101102021 is a deficient number, since it is larger than the sum of its proper divisors (4846099591).

11112101102021 is an equidigital number, since it uses as much as digits as its factorization.

11112101102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4846099590.

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

Adding to 11112101102021 its reverse (12020110121111), we get a palindrome (23132211223132).

The spelling of 11112101102021 in words is "eleven trillion, one hundred twelve billion, one hundred one million, one hundred two thousand, twenty-one".