121152111098 has 4 divisors (see below), whose sum is σ = 181728166650. Its totient is φ = 60576055548.

The previous prime is 121152111079. The next prime is 121152111109. The reversal of 121152111098 is 890111251121.

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

It can be written as a sum of positive squares in only one way, i.e., 115690457689 + 5461653409 = 340133^2 + 73903^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30288027773 + ... + 30288027776.

Almost surely, 2^121152111098 is an apocalyptic number.

121152111098 is a deficient number, since it is larger than the sum of its proper divisors (60576055552).

121152111098 is an equidigital number, since it uses as much as digits as its factorization.

121152111098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60576055551.

The product of its (nonzero) digits is 1440, while the sum is 32.

The spelling of 121152111098 in words is "one hundred twenty-one billion, one hundred fifty-two million, one hundred eleven thousand, ninety-eight".