121021020222 has 8 divisors (see below), whose sum is σ = 242042040456. Its totient is φ = 40340340072.

The previous prime is 121021020203. The next prime is 121021020229. The reversal of 121021020222 is 222020120121.

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

121021020222 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121021020229) by changing a digit.

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, 10085085013 + ... + 10085085024.

It is an arithmetic number, because the mean of its divisors is an integer number (30255255057).

Almost surely, 2^121021020222 is an apocalyptic number.

121021020222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121021020222 is a wasteful number, since it uses less digits than its factorization.

121021020222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20170170042.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 121021020222 its reverse (222020120121), we get a palindrome (343041140343).

The spelling of 121021020222 in words is "one hundred twenty-one billion, twenty-one million, twenty thousand, two hundred twenty-two".