121120022210209 has 16 divisors (see below), whose sum is σ = 141082169462784. Its totient is φ = 102872415214800.

The previous prime is 121120022210069. The next prime is 121120022210219. The reversal of 121120022210209 is 902012220021121.

It is a happy number.

It is not a de Polignac number, because 121120022210209 - 2¹⁹ = 121120021685921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121120022210219) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 5566678257 + ... + 5566700014.

It is an arithmetic number, because the mean of its divisors is an integer number (8817635591424).

Almost surely, 2^{121120022210209} is an apocalyptic number.

It is an amenable number.

121120022210209 is a deficient number, since it is larger than the sum of its proper divisors (19962147252575).

121120022210209 is a wasteful number, since it uses less digits than its factorization.

121120022210209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11133378348.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 121120022210209 in words is "one hundred twenty-one trillion, one hundred twenty billion, twenty-two million, two hundred ten thousand, two hundred nine".