11012002112021 has 4 divisors (see below), whose sum is σ = 11037552001344. Its totient is φ = 10986452222700.

The previous prime is 11012002112009. The next prime is 11012002112063. The reversal of 11012002112021 is 12021120021011.

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 11012002112021 - 2³⁴ = 10994822242837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11012002111987 and 11012002112005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012002112071) 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, 12774944015 + ... + 12774944876.

It is an arithmetic number, because the mean of its divisors is an integer number (2759388000336).

Almost surely, 2^{11012002112021} is an apocalyptic number.

It is an amenable number.

11012002112021 is a deficient number, since it is larger than the sum of its proper divisors (25549889323).

11012002112021 is an equidigital number, since it uses as much as digits as its factorization.

11012002112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25549889322.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11012002112021 its reverse (12021120021011), we get a palindrome (23033122133032).

The spelling of 11012002112021 in words is "eleven trillion, twelve billion, two million, one hundred twelve thousand, twenty-one".