10231221420422 has 32 divisors (see below), whose sum is σ = 15538164940800. Its totient is φ = 5052252925440.

The previous prime is 10231221420419. The next prime is 10231221420449. The reversal of 10231221420422 is 22402412213201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10231221420391 and 10231221420400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49049753 + ... + 49257899.

It is an arithmetic number, because the mean of its divisors is an integer number (485567654400).

Almost surely, 2^{10231221420422} is an apocalyptic number.

10231221420422 is a deficient number, since it is larger than the sum of its proper divisors (5306943520378).

10231221420422 is a wasteful number, since it uses less digits than its factorization.

10231221420422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209156.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 10231221420422 its reverse (22402412213201), we get a palindrome (32633633633623).

The spelling of 10231221420422 in words is "ten trillion, two hundred thirty-one billion, two hundred twenty-one million, four hundred twenty thousand, four hundred twenty-two".