11112002212021 has 8 divisors (see below), whose sum is σ = 11224351009080. Its totient is φ = 11000179639488.

The previous prime is 11112002211991. The next prime is 11112002212067. The reversal of 11112002212021 is 12021220021111.

It can be written as a sum of positive squares in 4 ways, for example, as 344317809796 + 10767684402225 = 586786^2 + 3281415^2 .

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 11112002212021 - 2⁹ = 11112002211509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11112002211986 and 11112002212004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112002212321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131513686 + ... + 131598151.

It is an arithmetic number, because the mean of its divisors is an integer number (1403043876135).

Almost surely, 2^{11112002212021} is an apocalyptic number.

It is an amenable number.

11112002212021 is a deficient number, since it is larger than the sum of its proper divisors (112348797059).

11112002212021 is a wasteful number, since it uses less digits than its factorization.

11112002212021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263112263.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11112002212021 its reverse (12021220021111), we get a palindrome (23133222233132).

The spelling of 11112002212021 in words is "eleven trillion, one hundred twelve billion, two million, two hundred twelve thousand, twenty-one".