10131224421 has 16 divisors (see below), whose sum is σ = 14050510848. Its totient is φ = 6486370800.

The previous prime is 10131224399. The next prime is 10131224459. The reversal of 10131224421 is 12442213101.

It is not a de Polignac number, because 10131224421 - 2⁷ = 10131224293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10131224021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 403611 + ... + 427976.

It is an arithmetic number, because the mean of its divisors is an integer number (878156928).

Almost surely, 2^10131224421 is an apocalyptic number.

It is an amenable number.

10131224421 is a deficient number, since it is larger than the sum of its proper divisors (3919286427).

10131224421 is a wasteful number, since it uses less digits than its factorization.

10131224421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831752.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 10131224421 its reverse (12442213101), we get a palindrome (22573437522).

The spelling of 10131224421 in words is "ten billion, one hundred thirty-one million, two hundred twenty-four thousand, four hundred twenty-one".