20121333101203 has 16 divisors (see below), whose sum is σ = 20198857061376. Its totient is φ = 20043972486720.

The previous prime is 20121333101167. The next prime is 20121333101227. The reversal of 20121333101203 is 30210133312102.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20121333101203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20121333101263) 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 15 ways as a sum of consecutive naturals, for example, 978511000 + ... + 978531562.

It is an arithmetic number, because the mean of its divisors is an integer number (1262428566336).

Almost surely, 2^{20121333101203} is an apocalyptic number.

20121333101203 is a deficient number, since it is larger than the sum of its proper divisors (77523960173).

20121333101203 is a wasteful number, since it uses less digits than its factorization.

20121333101203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24354.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 20121333101203 its reverse (30210133312102), we get a palindrome (50331466413305).

The spelling of 20121333101203 in words is "twenty trillion, one hundred twenty-one billion, three hundred thirty-three million, one hundred one thousand, two hundred three".