121100012110122 has 16 divisors (see below), whose sum is σ = 245611292167872. Its totient is φ = 39798126045440.

The previous prime is 121100012110009. The next prime is 121100012110123. The reversal of 121100012110122 is 221011210001121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (121100012110123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142136164023 + ... + 142136164874.

It is an arithmetic number, because the mean of its divisors is an integer number (15350705760492).

Almost surely, 2^{121100012110122} is an apocalyptic number.

121100012110122 is an abundant number, since it is smaller than the sum of its proper divisors (124511280057750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121100012110122 is a wasteful number, since it uses less digits than its factorization.

121100012110122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284272328973.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 121100012110122 its reverse (221011210001121), we get a palindrome (342111222111243).

The spelling of 121100012110122 in words is "one hundred twenty-one trillion, one hundred billion, twelve million, one hundred ten thousand, one hundred twenty-two".