11211202000021 has 8 divisors (see below), whose sum is σ = 11801538056000. Its totient is φ = 10620893223360.

The previous prime is 11211202000003. The next prime is 11211202000027. The reversal of 11211202000021 is 12000020211211.

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 11211202000021 - 2²³ = 11211193611413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11211201999965 and 11211202000010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211202000027) 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, 5973540 + ... + 7622701.

It is an arithmetic number, because the mean of its divisors is an integer number (1475192257000).

Almost surely, 2^{11211202000021} is an apocalyptic number.

It is an amenable number.

11211202000021 is a deficient number, since it is larger than the sum of its proper divisors (590336055979).

11211202000021 is a wasteful number, since it uses less digits than its factorization.

11211202000021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13639659.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11211202000021 its reverse (12000020211211), we get a palindrome (23211222211232).

The spelling of 11211202000021 in words is "eleven trillion, two hundred eleven billion, two hundred two million, twenty-one", and thus it is an aban number.