121022210221112 has 8 divisors (see below), whose sum is σ = 226916644164600. Its totient is φ = 60511105110552.

The previous prime is 121022210221093. The next prime is 121022210221163. The reversal of 121022210221112 is 211122012220121.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7563888138812 + ... + 7563888138827.

It is an arithmetic number, because the mean of its divisors is an integer number (28364580520575).

Almost surely, 2^{121022210221112} is an apocalyptic number.

It is an amenable number.

121022210221112 is a deficient number, since it is larger than the sum of its proper divisors (105894433943488).

121022210221112 is a wasteful number, since it uses less digits than its factorization.

121022210221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15127776277645 (or 15127776277641 counting only the distinct ones).

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

Adding to 121022210221112 its reverse (211122012220121), we get a palindrome (332144222441233).

The spelling of 121022210221112 in words is "one hundred twenty-one trillion, twenty-two billion, two hundred ten million, two hundred twenty-one thousand, one hundred twelve".