121111222002 has 8 divisors (see below), whose sum is σ = 242222444016. Its totient is φ = 40370407332.

The previous prime is 121111221977. The next prime is 121111222013. The reversal of 121111222002 is 200222111121.

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

121111222002 is an admirable number.

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 in 3 ways as a sum of consecutive naturals, for example, 10092601828 + ... + 10092601839.

It is an arithmetic number, because the mean of its divisors is an integer number (30277805502).

Almost surely, 2^121111222002 is an apocalyptic number.

121111222002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

121111222002 is a wasteful number, since it uses less digits than its factorization.

121111222002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20185203672.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121111222002 its reverse (200222111121), we get a palindrome (321333333123).

The spelling of 121111222002 in words is "one hundred twenty-one billion, one hundred eleven million, two hundred twenty-two thousand, two".