121221002211002 has 8 divisors (see below), whose sum is σ = 181831550507712. Its totient is φ = 60610485375100.

The previous prime is 121221002210989. The next prime is 121221002211007. The reversal of 121221002211002 is 200112200122121.

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

It is not an unprimeable number, because it can be changed into a prime (121221002211007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9001727 + ... + 17985357.

It is an arithmetic number, because the mean of its divisors is an integer number (22728943813464).

Almost surely, 2^{121221002211002} is an apocalyptic number.

121221002211002 is a deficient number, since it is larger than the sum of its proper divisors (60610548296710).

121221002211002 is an equidigital number, since it uses as much as digits as its factorization.

121221002211002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15730404.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 121221002211002 its reverse (200112200122121), we get a palindrome (321333202333123).

The spelling of 121221002211002 in words is "one hundred twenty-one trillion, two hundred twenty-one billion, two million, two hundred eleven thousand, two".