10020003121211 has 4 divisors (see below), whose sum is σ = 10020009737712. Its totient is φ = 10019996504712.

The previous prime is 10020003121171. The next prime is 10020003121273. The reversal of 10020003121211 is 11212130002001.

10020003121211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 10020003121211 - 2²² = 10019998926907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10020003129211) 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, 211850 + ... + 4481616.

It is an arithmetic number, because the mean of its divisors is an integer number (2505002434428).

Almost surely, 2^{10020003121211} is an apocalyptic number.

10020003121211 is a deficient number, since it is larger than the sum of its proper divisors (6616501).

10020003121211 is an equidigital number, since it uses as much as digits as its factorization.

10020003121211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6616500.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 10020003121211 its reverse (11212130002001), we get a palindrome (21232133123212).

The spelling of 10020003121211 in words is "ten trillion, twenty billion, three million, one hundred twenty-one thousand, two hundred eleven".