121255510414 has 4 divisors (see below), whose sum is σ = 181883265624. Its totient is φ = 60627755206.

The previous prime is 121255510267. The next prime is 121255510451. The reversal of 121255510414 is 414015552121.

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

It is a super-3 number, since 3×121255510414³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30313877602 + ... + 30313877605.

It is an arithmetic number, because the mean of its divisors is an integer number (45470816406).

Almost surely, 2^121255510414 is an apocalyptic number.

121255510414 is a deficient number, since it is larger than the sum of its proper divisors (60627755210).

121255510414 is an equidigital number, since it uses as much as digits as its factorization.

121255510414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60627755209.

The product of its (nonzero) digits is 8000, while the sum is 31.

The spelling of 121255510414 in words is "one hundred twenty-one billion, two hundred fifty-five million, five hundred ten thousand, four hundred fourteen".