121000221022 has 8 divisors (see below), whose sum is σ = 181505340576. Its totient is φ = 60498440832.

The previous prime is 121000220963. The next prime is 121000221031. The reversal of 121000221022 is 220122000121.

It is a happy number.

121000221022 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 121000220993 and 121000221011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 742198 + ... + 890425.

It is an arithmetic number, because the mean of its divisors is an integer number (22688167572).

Almost surely, 2^121000221022 is an apocalyptic number.

121000221022 is a deficient number, since it is larger than the sum of its proper divisors (60505119554).

121000221022 is a wasteful number, since it uses less digits than its factorization.

121000221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669682.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 121000221022 its reverse (220122000121), we get a palindrome (341122221143).

The spelling of 121000221022 in words is "one hundred twenty-one billion, two hundred twenty-one thousand, twenty-two".