121002100222 has 8 divisors (see below), whose sum is σ = 181506781656. Its totient is φ = 60499839672.

The previous prime is 121002100213. The next prime is 121002100231. The reversal of 121002100222 is 222001200121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (121002100213) and next prime (121002100231).

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

It is a congruent 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, 474628 + ... + 683575.

It is an arithmetic number, because the mean of its divisors is an integer number (22688347707).

Almost surely, 2^121002100222 is an apocalyptic number.

121002100222 is a deficient number, since it is larger than the sum of its proper divisors (60504681434).

121002100222 is a wasteful number, since it uses less digits than its factorization.

121002100222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210442.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 121002100222 its reverse (222001200121), we get a palindrome (343003300343).

The spelling of 121002100222 in words is "one hundred twenty-one billion, two million, one hundred thousand, two hundred twenty-two".