121101100100122 has 4 divisors (see below), whose sum is σ = 181651650150186. Its totient is φ = 60550550050060.

The previous prime is 121101100100111. The next prime is 121101100100179. The reversal of 121101100100122 is 221001001101121.

It is a happy number.

121101100100122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 120942344869641 + 158755230481 = 10997379^2 + 398441^2 .

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 as a sum of consecutive naturals, namely, 30275275025029 + ... + 30275275025032.

Almost surely, 2^{121101100100122} is an apocalyptic number.

121101100100122 is a deficient number, since it is larger than the sum of its proper divisors (60550550050064).

121101100100122 is an equidigital number, since it uses as much as digits as its factorization.

121101100100122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60550550050063.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 121101100100122 its reverse (221001001101121), we get a palindrome (342102101201243).

The spelling of 121101100100122 in words is "one hundred twenty-one trillion, one hundred one billion, one hundred million, one hundred thousand, one hundred twenty-two".