121012022122 has 8 divisors (see below), whose sum is σ = 181535423076. Its totient is φ = 60500214432.

The previous prime is 121012022113. The next prime is 121012022147. The reversal of 121012022122 is 221220210121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 120415246081 + 596776041 = 347009^2 + 24429^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 121012022096 and 121012022105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2872173 + ... + 2914000.

Almost surely, 2^121012022122 is an apocalyptic number.

121012022122 is a deficient number, since it is larger than the sum of its proper divisors (60523400954).

121012022122 is a wasteful number, since it uses less digits than its factorization.

121012022122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5796632.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 121012022122 its reverse (221220210121), we get a palindrome (342232232243).

The spelling of 121012022122 in words is "one hundred twenty-one billion, twelve million, twenty-two thousand, one hundred twenty-two".