121022210210984 has 8 divisors (see below), whose sum is σ = 226916644145610. Its totient is φ = 60511105105488.

The previous prime is 121022210210983. The next prime is 121022210211011. The reversal of 121022210210984 is 489012012220121.

It can be written as a sum of positive squares in only one way, i.e., 113326457340100 + 7695752870884 = 10645490^2 + 2774122^2 .

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

It is not an unprimeable number, because it can be changed into a prime (121022210210983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7563888138179 + ... + 7563888138194.

Almost surely, 2^{121022210210984} is an apocalyptic number.

It is an amenable number.

121022210210984 is a deficient number, since it is larger than the sum of its proper divisors (105894433934626).

121022210210984 is a wasteful number, since it uses less digits than its factorization.

121022210210984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15127776276379 (or 15127776276375 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 35.

The spelling of 121022210210984 in words is "one hundred twenty-one trillion, twenty-two billion, two hundred ten million, two hundred ten thousand, nine hundred eighty-four".