121001111102002 has 8 divisors (see below), whose sum is σ = 181502896174236. Its totient is φ = 60500145710592.

The previous prime is 121001111101987. The next prime is 121001111102017. The reversal of 121001111102002 is 200201111100121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (121001111101987) and next prime (121001111102017).

It can be written as a sum of positive squares in 2 ways, for example, as 119511444472641 + 1489666629361 = 10932129^2 + 1220519^2 .

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, 204551023 + ... + 205141714.

Almost surely, 2^{121001111102002} is an apocalyptic number.

121001111102002 is a deficient number, since it is larger than the sum of its proper divisors (60501785072234).

121001111102002 is a wasteful number, since it uses less digits than its factorization.

121001111102002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409840412.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 121001111102002 its reverse (200201111100121), we get a palindrome (321202222202123).

The spelling of 121001111102002 in words is "one hundred twenty-one trillion, one billion, one hundred eleven million, one hundred two thousand, two".