121000221122210 has 32 divisors (see below), whose sum is σ = 220871335766400. Its totient is φ = 47717678373120.

The previous prime is 121000221122197. The next prime is 121000221122257. The reversal of 121000221122210 is 12221122000121.

It is an unprimeable number.

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, 47179121 + ... + 49677659.

It is an arithmetic number, because the mean of its divisors is an integer number (6902229242700).

Almost surely, 2^{121000221122210} is an apocalyptic number.

121000221122210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121000221122210 is a deficient number, since it is larger than the sum of its proper divisors (99871114644190).

121000221122210 is a wasteful number, since it uses less digits than its factorization.

121000221122210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2566826.

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

Adding to 121000221122210 its reverse (12221122000121), we get a palindrome (133221343122331).

The spelling of 121000221122210 in words is "one hundred twenty-one trillion, two hundred twenty-one million, one hundred twenty-two thousand, two hundred ten".