121012122020122 has 8 divisors (see below), whose sum is σ = 181518930523476. Its totient is φ = 60505811845632.

The previous prime is 121012122020063. The next prime is 121012122020137. The reversal of 121012122020122 is 221020221210121.

It can be written as a sum of positive squares in 2 ways, for example, as 120409823405881 + 602298614241 = 10973141^2 + 776079^2 .

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 121012122020122.

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, 123974533 + ... + 124946824.

Almost surely, 2^{121012122020122} is an apocalyptic number.

121012122020122 is a deficient number, since it is larger than the sum of its proper divisors (60506808503354).

121012122020122 is a wasteful number, since it uses less digits than its factorization.

121012122020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249164432.

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

Adding to 121012122020122 its reverse (221020221210121), we get a palindrome (342032343230243).

The spelling of 121012122020122 in words is "one hundred twenty-one trillion, twelve billion, one hundred twenty-two million, twenty thousand, one hundred twenty-two".