121340415100 has 18 divisors (see below), whose sum is σ = 263308700984. Its totient is φ = 48536166000.

The previous prime is 121340415061. The next prime is 121340415121. The reversal of 121340415100 is 1514043121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 606701976 + ... + 606702175.

Almost surely, 2^121340415100 is an apocalyptic number.

121340415100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121340415100 is an abundant number, since it is smaller than the sum of its proper divisors (141968285884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121340415100 is a wasteful number, since it uses less digits than its factorization.

121340415100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213404165 (or 1213404158 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 121340415100 its reverse (1514043121), we get a palindrome (122854458221).

The spelling of 121340415100 in words is "one hundred twenty-one billion, three hundred forty million, four hundred fifteen thousand, one hundred".