121883627899 has 4 divisors (see below), whose sum is σ = 132963957720. Its totient is φ = 110803298080.

The previous prime is 121883627897. The next prime is 121883627903. The reversal of 121883627899 is 998726388121.

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

It is a cyclic number.

It is not a de Polignac number, because 121883627899 - 2¹ = 121883627897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121883627899.

It is not an unprimeable number, because it can be changed into a prime (121883627897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5540164894 + ... + 5540164915.

It is an arithmetic number, because the mean of its divisors is an integer number (33240989430).

Almost surely, 2^121883627899 is an apocalyptic number.

121883627899 is a deficient number, since it is larger than the sum of its proper divisors (11080329821).

121883627899 is a wasteful number, since it uses less digits than its factorization.

121883627899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11080329820.

The product of its digits is 20901888, while the sum is 64.

The spelling of 121883627899 in words is "one hundred twenty-one billion, eight hundred eighty-three million, six hundred twenty-seven thousand, eight hundred ninety-nine".