121142134221226 has 16 divisors (see below), whose sum is σ = 181752358385664. Its totient is φ = 60558015211344.

The previous prime is 121142134221209. The next prime is 121142134221271. The reversal of 121142134221226 is 622122431241121.

It is a super-3 number, since 3×121142134221226³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121142134221191 and 121142134221200.

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, 954239911 + ... + 954366853.

It is an arithmetic number, because the mean of its divisors is an integer number (11359522399104).

Almost surely, 2^{121142134221226} is an apocalyptic number.

121142134221226 is a deficient number, since it is larger than the sum of its proper divisors (60610224164438).

121142134221226 is a wasteful number, since it uses less digits than its factorization.

121142134221226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226005.

The product of its digits is 18432, while the sum is 34.

Adding to 121142134221226 its reverse (622122431241121), we get a palindrome (743264565462347).

The spelling of 121142134221226 in words is "one hundred twenty-one trillion, one hundred forty-two billion, one hundred thirty-four million, two hundred twenty-one thousand, two hundred twenty-six".