121101121220122 has 32 divisors (see below), whose sum is σ = 189403983597312. Its totient is φ = 58020156702144.

The previous prime is 121101121220119. The next prime is 121101121220143. The reversal of 121101121220122 is 221022121101121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 121101121220122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40286863 + ... + 43188349.

It is an arithmetic number, because the mean of its divisors is an integer number (5918874487416).

Almost surely, 2^{121101121220122} is an apocalyptic number.

121101121220122 is a deficient number, since it is larger than the sum of its proper divisors (68302862377190).

121101121220122 is a wasteful number, since it uses less digits than its factorization.

121101121220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2910742.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 121101121220122 its reverse (221022121101121), we get a palindrome (342123242321243).

The spelling of 121101121220122 in words is "one hundred twenty-one trillion, one hundred one billion, one hundred twenty-one million, two hundred twenty thousand, one hundred twenty-two".