121100121222002 has 32 divisors (see below), whose sum is σ = 195774024805632. Its totient is φ = 55849304859264.

The previous prime is 121100121222001. The next prime is 121100121222013. The reversal of 121100121222002 is 200222121001121.

It is not an unprimeable number, because it can be changed into a prime (121100121222001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221955278 + ... + 222500214.

It is an arithmetic number, because the mean of its divisors is an integer number (6117938275176).

Almost surely, 2^{121100121222002} is an apocalyptic number.

121100121222002 is a deficient number, since it is larger than the sum of its proper divisors (74673903583630).

121100121222002 is a wasteful number, since it uses less digits than its factorization.

121100121222002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551522.

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

Adding to 121100121222002 its reverse (200222121001121), we get a palindrome (321322242223123).

The spelling of 121100121222002 in words is "one hundred twenty-one trillion, one hundred billion, one hundred twenty-one million, two hundred twenty-two thousand, two".