121220221112002 has 16 divisors (see below), whose sum is σ = 189883882998720. Its totient is φ = 57929701355152.

The previous prime is 121220221111963. The next prime is 121220221112009. The reversal of 121220221112002 is 200211122022121.

121220221112002 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (121220221112009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1026917677 + ... + 1027035712.

It is an arithmetic number, because the mean of its divisors is an integer number (11867742687420).

Almost surely, 2^{121220221112002} is an apocalyptic number.

121220221112002 is a deficient number, since it is larger than the sum of its proper divisors (68663661886718).

121220221112002 is a wasteful number, since it uses less digits than its factorization.

121220221112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053954697.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 121220221112002 its reverse (200211122022121), we get a palindrome (321431343134123).

The spelling of 121220221112002 in words is "one hundred twenty-one trillion, two hundred twenty billion, two hundred twenty-one million, one hundred twelve thousand, two".