121021201222 has 8 divisors (see below), whose sum is σ = 181571304816. Its totient is φ = 60497432952.

The previous prime is 121021201207. The next prime is 121021201229. The reversal of 121021201222 is 222102120121.

It is a happy number.

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

It is a super-2 number, since 2×121021201222² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121021201196 and 121021201205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121021201229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6572338 + ... + 6590725.

It is an arithmetic number, because the mean of its divisors is an integer number (22696413102).

Almost surely, 2^121021201222 is an apocalyptic number.

121021201222 is a deficient number, since it is larger than the sum of its proper divisors (60550103594).

121021201222 is a wasteful number, since it uses less digits than its factorization.

121021201222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13167662.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 121021201222 its reverse (222102120121), we get a palindrome (343123321343).

The spelling of 121021201222 in words is "one hundred twenty-one billion, twenty-one million, two hundred one thousand, two hundred twenty-two".