121222013222 has 8 divisors (see below), whose sum is σ = 189738803376. Its totient is φ = 57975745432.

The previous prime is 121222013173. The next prime is 121222013233. The reversal of 121222013222 is 222310222121.

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 = 121222013194 and 121222013203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1317630533 + ... + 1317630624.

It is an arithmetic number, because the mean of its divisors is an integer number (23717350422).

Almost surely, 2^121222013222 is an apocalyptic number.

121222013222 is a deficient number, since it is larger than the sum of its proper divisors (68516790154).

121222013222 is a wasteful number, since it uses less digits than its factorization.

121222013222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2635261182.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 121222013222 its reverse (222310222121), we get a palindrome (343532235343).

The spelling of 121222013222 in words is "one hundred twenty-one billion, two hundred twenty-two million, thirteen thousand, two hundred twenty-two".