121340422355 has 8 divisors (see below), whose sum is σ = 150629490000. Its totient is φ = 93725015776.

The previous prime is 121340422349. The next prime is 121340422367. The reversal of 121340422355 is 553224043121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121340422355 is a prime.

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, 418415105 + ... + 418415394.

It is an arithmetic number, because the mean of its divisors is an integer number (18828686250).

Almost surely, 2^121340422355 is an apocalyptic number.

121340422355 is a deficient number, since it is larger than the sum of its proper divisors (29289067645).

121340422355 is an equidigital number, since it uses as much as digits as its factorization.

121340422355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836830533.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 121340422355 its reverse (553224043121), we get a palindrome (674564465476).

The spelling of 121340422355 in words is "one hundred twenty-one billion, three hundred forty million, four hundred twenty-two thousand, three hundred fifty-five".