210313124021 has 32 divisors (see below), whose sum is σ = 282418139136. Its totient is φ = 151252920000.

The previous prime is 210313124009. The next prime is 210313124023. The reversal of 210313124021 is 120421313012.

It is not a de Polignac number, because 210313124021 - 2²² = 210308929717 is a prime.

It is a super-2 number, since 2×210313124021² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210313123984 and 210313124002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210313124023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11974196 + ... + 11991746.

It is an arithmetic number, because the mean of its divisors is an integer number (8825566848).

Almost surely, 2^210313124021 is an apocalyptic number.

It is an amenable number.

210313124021 is a deficient number, since it is larger than the sum of its proper divisors (72105015115).

210313124021 is a wasteful number, since it uses less digits than its factorization.

210313124021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29553.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 210313124021 its reverse (120421313012), we get a palindrome (330734437033).

The spelling of 210313124021 in words is "two hundred ten billion, three hundred thirteen million, one hundred twenty-four thousand, twenty-one".