121355005011514 has 8 divisors (see below), whose sum is σ = 189946964365920. Its totient is φ = 58039350222876.

The previous prime is 121355005011349. The next prime is 121355005011523. The reversal of 121355005011514 is 415110500553121.

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

It is a self number, because there is not a number n which added to its sum of digits gives 121355005011514.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1319076141384 + ... + 1319076141475.

It is an arithmetic number, because the mean of its divisors is an integer number (23743370545740).

Almost surely, 2^{121355005011514} is an apocalyptic number.

121355005011514 is a deficient number, since it is larger than the sum of its proper divisors (68591959354406).

121355005011514 is a wasteful number, since it uses less digits than its factorization.

121355005011514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2638152282884.

The product of its (nonzero) digits is 15000, while the sum is 34.

Adding to 121355005011514 its reverse (415110500553121), we get a palindrome (536465505564635).

The spelling of 121355005011514 in words is "one hundred twenty-one trillion, three hundred fifty-five billion, five million, eleven thousand, five hundred fourteen".