11112010102021 has 4 divisors (see below), whose sum is σ = 11112045847200. Its totient is φ = 11111974356844.

The previous prime is 11112010101961. The next prime is 11112010102051. The reversal of 11112010102021 is 12020101021111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11112010102021 - 2¹³ = 11112010093829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11112010101992 and 11112010102010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112010102051) 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, 17402161 + ... + 18029398.

It is an arithmetic number, because the mean of its divisors is an integer number (2778011461800).

Almost surely, 2^{11112010102021} is an apocalyptic number.

It is an amenable number.

11112010102021 is a deficient number, since it is larger than the sum of its proper divisors (35745179).

11112010102021 is an equidigital number, since it uses as much as digits as its factorization.

11112010102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35745178.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11112010102021 its reverse (12020101021111), we get a palindrome (23132111123132).

The spelling of 11112010102021 in words is "eleven trillion, one hundred twelve billion, ten million, one hundred two thousand, twenty-one".