121111101222002 has 16 divisors (see below), whose sum is σ = 182907357903000. Its totient is φ = 60142077329280.

The previous prime is 121111101221987. The next prime is 121111101222017. The reversal of 121111101222002 is 200222101111121.

It is an interprime number because it is at equal distance from previous prime (121111101221987) and next prime (121111101222017).

It can be written as a sum of positive squares in 4 ways, for example, as 88826647694521 + 32284453527481 = 9424789^2 + 5681941^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21308477 + ... + 26386992.

Almost surely, 2^{121111101222002} is an apocalyptic number.

121111101222002 is a deficient number, since it is larger than the sum of its proper divisors (61796256680998).

121111101222002 is a wasteful number, since it uses less digits than its factorization.

121111101222002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47704141.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 121111101222002 its reverse (200222101111121), we get a palindrome (321333202333123).

The spelling of 121111101222002 in words is "one hundred twenty-one trillion, one hundred eleven billion, one hundred one million, two hundred twenty-two thousand, two".