11011112212021 has 8 divisors (see below), whose sum is σ = 11013355827360. Its totient is φ = 11008868798928.

The previous prime is 11011112212019. The next prime is 11011112212031. The reversal of 11011112212021 is 12021221111011.

11011112212021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11011112212021 - 2¹ = 11011112212019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11011112211986 and 11011112212004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011112212031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152601370 + ... + 152673508.

It is an arithmetic number, because the mean of its divisors is an integer number (1376669478420).

Almost surely, 2^{11011112212021} is an apocalyptic number.

It is an amenable number.

11011112212021 is a deficient number, since it is larger than the sum of its proper divisors (2243615339).

11011112212021 is an equidigital number, since it uses as much as digits as its factorization.

11011112212021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101123.

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

Adding to 11011112212021 its reverse (12021221111011), we get a palindrome (23032333323032).

The spelling of 11011112212021 in words is "eleven trillion, eleven billion, one hundred twelve million, two hundred twelve thousand, twenty-one".