11112102102021 has 8 divisors (see below), whose sum is σ = 14828555366400. Its totient is φ = 7401858452832.

The previous prime is 11112102101963. The next prime is 11112102102029. The reversal of 11112102102021 is 12020120121111.

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 11112102102021 - 2¹⁰ = 11112102100997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112102102029) 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, 1552399621 + ... + 1552406778.

It is an arithmetic number, because the mean of its divisors is an integer number (1853569420800).

Almost surely, 2^{11112102102021} is an apocalyptic number.

It is an amenable number.

11112102102021 is a deficient number, since it is larger than the sum of its proper divisors (3716453264379).

11112102102021 is a wasteful number, since it uses less digits than its factorization.

11112102102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3104807595.

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

Adding to 11112102102021 its reverse (12020120121111), we get a palindrome (23132222223132).

The spelling of 11112102102021 in words is "eleven trillion, one hundred twelve billion, one hundred two million, one hundred two thousand, twenty-one".