121111102002122 has 8 divisors (see below), whose sum is σ = 181717525781472. Its totient is φ = 60538593408300.

The previous prime is 121111102002101. The next prime is 121111102002161. The reversal of 121111102002122 is 221200201111121.

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 121111102002122.

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, 8478787454 + ... + 8478801737.

It is an arithmetic number, because the mean of its divisors is an integer number (22714690722684).

Almost surely, 2^{121111102002122} is an apocalyptic number.

121111102002122 is a deficient number, since it is larger than the sum of its proper divisors (60606423779350).

121111102002122 is a wasteful number, since it uses less digits than its factorization.

121111102002122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16957592764.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 121111102002122 its reverse (221200201111121), we get a palindrome (342311303113243).

The spelling of 121111102002122 in words is "one hundred twenty-one trillion, one hundred eleven billion, one hundred two million, two thousand, one hundred twenty-two".