121101220211222 has 32 divisors (see below), whose sum is σ = 185755883300064. Its totient is φ = 59195800857600.

The previous prime is 121101220211221. The next prime is 121101220211233. The reversal of 121101220211222 is 222112022101121.

It is a junction number, because it is equal to n+sod(n) for n = 121101220211194 and 121101220211203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121101220211221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8641472 + ... + 17801052.

It is an arithmetic number, because the mean of its divisors is an integer number (5804871353127).

Almost surely, 2^{121101220211222} is an apocalyptic number.

121101220211222 is a deficient number, since it is larger than the sum of its proper divisors (64654663088842).

121101220211222 is a wasteful number, since it uses less digits than its factorization.

121101220211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9160304.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 121101220211222 its reverse (222112022101121), we get a palindrome (343213242312343).

The spelling of 121101220211222 in words is "one hundred twenty-one trillion, one hundred one billion, two hundred twenty million, two hundred eleven thousand, two hundred twenty-two".