121002213122 has 8 divisors (see below), whose sum is σ = 207432365376. Its totient is φ = 51858091332.

The previous prime is 121002213109. The next prime is 121002213149. The reversal of 121002213122 is 221312200121.

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 121002213122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4321507598 + ... + 4321507625.

It is an arithmetic number, because the mean of its divisors is an integer number (25929045672).

Almost surely, 2^121002213122 is an apocalyptic number.

121002213122 is a deficient number, since it is larger than the sum of its proper divisors (86430152254).

121002213122 is an equidigital number, since it uses as much as digits as its factorization.

121002213122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8643015232.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 121002213122 its reverse (221312200121), we get a palindrome (342314413243).

It can be divided in two parts, 12100 and 2213122, that added together give a palindrome (2225222).

The spelling of 121002213122 in words is "one hundred twenty-one billion, two million, two hundred thirteen thousand, one hundred twenty-two".