121422251366 has 16 divisors (see below), whose sum is σ = 200927629728. Its totient is φ = 54674184000.

The previous prime is 121422251347. The next prime is 121422251387. The reversal of 121422251366 is 663152224121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56951210 + ... + 56953341.

It is an arithmetic number, because the mean of its divisors is an integer number (12557976858).

Almost surely, 2^121422251366 is an apocalyptic number.

121422251366 is a deficient number, since it is larger than the sum of its proper divisors (79505378362).

121422251366 is a wasteful number, since it uses less digits than its factorization.

121422251366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113904607.

The product of its digits is 34560, while the sum is 35.

Adding to 121422251366 its reverse (663152224121), we get a palindrome (784574475487).

The spelling of 121422251366 in words is "one hundred twenty-one billion, four hundred twenty-two million, two hundred fifty-one thousand, three hundred sixty-six".