11112102010221 has 8 divisors (see below), whose sum is σ = 14830506663744. Its totient is φ = 7400882681760.

The previous prime is 11112102010201. The next prime is 11112102010231. The reversal of 11112102010221 is 12201020121111.

It is a happy number.

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

It is not a de Polignac number, because 11112102010221 - 2⁵ = 11112102010189 is a prime.

It is a super-2 number, since 2×11112102010221² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11112102010221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112102010201) 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, 1796327656 + ... + 1796333841.

It is an arithmetic number, because the mean of its divisors is an integer number (1853813332968).

Almost surely, 2^{11112102010221} is an apocalyptic number.

It is an amenable number.

11112102010221 is a deficient number, since it is larger than the sum of its proper divisors (3718404653523).

11112102010221 is a wasteful number, since it uses less digits than its factorization.

11112102010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3592662531.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11112102010221 its reverse (12201020121111), we get a palindrome (23313122131332).

The spelling of 11112102010221 in words is "eleven trillion, one hundred twelve billion, one hundred two million, ten thousand, two hundred twenty-one".