121001211222 has 16 divisors (see below), whose sum is σ = 248543028912. Its totient is φ = 39243636000.

The previous prime is 121001211167. The next prime is 121001211241. The reversal of 121001211222 is 222112100121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272525029 + ... + 272525472.

It is an arithmetic number, because the mean of its divisors is an integer number (15533939307).

Almost surely, 2^121001211222 is an apocalyptic number.

121001211222 is an abundant number, since it is smaller than the sum of its proper divisors (127541817690).

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

121001211222 is a wasteful number, since it uses less digits than its factorization.

121001211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545050543.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121001211222 its reverse (222112100121), we get a palindrome (343113311343).

The spelling of 121001211222 in words is "one hundred twenty-one billion, one million, two hundred eleven thousand, two hundred twenty-two".