10212221431 has 8 divisors (see below), whose sum is σ = 10240080704. Its totient is φ = 10184382720.

The previous prime is 10212221417. The next prime is 10212221447. The reversal of 10212221431 is 13412221201.

10212221431 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10212221431 - 2⁵ = 10212221399 is a prime.

It is a super-2 number, since 2×10212221431² (a number of 21 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 = 10212221399 and 10212221408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212221471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1777195 + ... + 1782931.

It is an arithmetic number, because the mean of its divisors is an integer number (1280010088).

Almost surely, 2^10212221431 is an apocalyptic number.

10212221431 is a deficient number, since it is larger than the sum of its proper divisors (27859273).

10212221431 is an equidigital number, since it uses as much as digits as its factorization.

10212221431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10281.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 10212221431 its reverse (13412221201), we get a palindrome (23624442632).

The spelling of 10212221431 in words is "ten billion, two hundred twelve million, two hundred twenty-one thousand, four hundred thirty-one".