121143240334 has 4 divisors (see below), whose sum is σ = 181714860504. Its totient is φ = 60571620166.

The previous prime is 121143240313. The next prime is 121143240343. The reversal of 121143240334 is 433042341121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×121143240334³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30285810082 + ... + 30285810085.

It is an arithmetic number, because the mean of its divisors is an integer number (45428715126).

Almost surely, 2^121143240334 is an apocalyptic number.

121143240334 is a deficient number, since it is larger than the sum of its proper divisors (60571620170).

121143240334 is an equidigital number, since it uses as much as digits as its factorization.

121143240334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60571620169.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 121143240334 its reverse (433042341121), we get a palindrome (554185581455).

The spelling of 121143240334 in words is "one hundred twenty-one billion, one hundred forty-three million, two hundred forty thousand, three hundred thirty-four".