10213213221131 has 4 divisors (see below), whose sum is σ = 10462315982664. Its totient is φ = 9964110459600.

The previous prime is 10213213221109. The next prime is 10213213221137. The reversal of 10213213221131 is 13112231231201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10213213221131 - 2¹⁰ = 10213213220107 is a prime.

It is a super-2 number, since 2×10213213221131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10213213221097 and 10213213221106.

It is not an unprimeable number, because it can be changed into a prime (10213213221137) 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, 124551380705 + ... + 124551380786.

It is an arithmetic number, because the mean of its divisors is an integer number (2615578995666).

Almost surely, 2^{10213213221131} is an apocalyptic number.

10213213221131 is a deficient number, since it is larger than the sum of its proper divisors (249102761533).

10213213221131 is an equidigital number, since it uses as much as digits as its factorization.

10213213221131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249102761532.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 10213213221131 its reverse (13112231231201), we get a palindrome (23325444452332).

The spelling of 10213213221131 in words is "ten trillion, two hundred thirteen billion, two hundred thirteen million, two hundred twenty-one thousand, one hundred thirty-one".