121210120220122 has 8 divisors (see below), whose sum is σ = 181815237081972. Its totient is φ = 60605041192800.

The previous prime is 121210120220081. The next prime is 121210120220207. The reversal of 121210120220122 is 221022021012121.

It can be written as a sum of positive squares in 2 ways, for example, as 91750746552921 + 29459373667201 = 9578661^2 + 5427649^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 121210120220122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 757422 + ... + 15588262.

Almost surely, 2^{121210120220122} is an apocalyptic number.

121210120220122 is a deficient number, since it is larger than the sum of its proper divisors (60605116861850).

121210120220122 is a wasteful number, since it uses less digits than its factorization.

121210120220122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18917264.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 121210120220122 its reverse (221022021012121), we get a palindrome (342232141232243).

The spelling of 121210120220122 in words is "one hundred twenty-one trillion, two hundred ten billion, one hundred twenty million, two hundred twenty thousand, one hundred twenty-two".