1421120252222 has 8 divisors (see below), whose sum is σ = 2325469503672. Its totient is φ = 645963751000.

The previous prime is 1421120252221. The next prime is 1421120252257. The reversal of 1421120252222 is 2222520211241.

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

It is a junction number, because it is equal to n+sod(n) for n = 1421120252191 and 1421120252200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421120252221) 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, 32298187529 + ... + 32298187572.

It is an arithmetic number, because the mean of its divisors is an integer number (290683687959).

Almost surely, 2^{1421120252222} is an apocalyptic number.

1421120252222 is a deficient number, since it is larger than the sum of its proper divisors (904349251450).

1421120252222 is a wasteful number, since it uses less digits than its factorization.

1421120252222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64596375114.

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 1421120252222 its reverse (2222520211241), we get a palindrome (3643640463463).

The spelling of 1421120252222 in words is "one trillion, four hundred twenty-one billion, one hundred twenty million, two hundred fifty-two thousand, two hundred twenty-two".