121113221002 has 8 divisors (see below), whose sum is σ = 183468543012. Its totient is φ = 59957040000.

The previous prime is 121113220999. The next prime is 121113221011. The reversal of 121113221002 is 200122311121.

It can be written as a sum of positive squares in 2 ways, for example, as 82237606441 + 38875614561 = 286771^2 + 197169^2 .

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

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, 299784999 + ... + 299785402.

Almost surely, 2^121113221002 is an apocalyptic number.

121113221002 is a deficient number, since it is larger than the sum of its proper divisors (62355322010).

121113221002 is a wasteful number, since it uses less digits than its factorization.

121113221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599570504.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 121113221002 its reverse (200122311121), we get a palindrome (321235532123).

The spelling of 121113221002 in words is "one hundred twenty-one billion, one hundred thirteen million, two hundred twenty-one thousand, two".