121200222222110 has 32 divisors (see below), whose sum is σ = 228369632753664. Its totient is φ = 46255423284000.

The previous prime is 121200222222091. The next prime is 121200222222113. The reversal of 121200222222110 is 11222222002121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121200222222113) 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 15 ways as a sum of consecutive naturals, for example, 2753276996 + ... + 2753321015.

It is an arithmetic number, because the mean of its divisors is an integer number (7136551023552).

Almost surely, 2^{121200222222110} is an apocalyptic number.

121200222222110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121200222222110 is a deficient number, since it is larger than the sum of its proper divisors (107169410531554).

121200222222110 is a wasteful number, since it uses less digits than its factorization.

121200222222110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5506598120.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 121200222222110 its reverse (11222222002121), we get a palindrome (132422444224231).

The spelling of 121200222222110 in words is "one hundred twenty-one trillion, two hundred billion, two hundred twenty-two million, two hundred twenty-two thousand, one hundred ten".