2021212131003 has 96 divisors (see below), whose sum is σ = 3255793107840. Its totient is φ = 1200627671040.

The previous prime is 2021212130999. The next prime is 2021212131019. The reversal of 2021212131003 is 3001312121202.

2021212131003 is a `hidden beast` number, since 20 + 212 + 121 + 310 + 0 + 3 = 666.

It is not a de Polignac number, because 2021212131003 - 2² = 2021212130999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2021212131023) 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 95 ways as a sum of consecutive naturals, for example, 83066143 + ... + 83090471.

It is an arithmetic number, because the mean of its divisors is an integer number (33914511540).

Almost surely, 2^{2021212131003} is an apocalyptic number.

2021212131003 is a deficient number, since it is larger than the sum of its proper divisors (1234580976837).

2021212131003 is a wasteful number, since it uses less digits than its factorization.

2021212131003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24629 (or 24626 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2021212131003 its reverse (3001312121202), we get a palindrome (5022524252205).

The spelling of 2021212131003 in words is "two trillion, twenty-one billion, two hundred twelve million, one hundred thirty-one thousand, three".