121000100120122 has 4 divisors (see below), whose sum is σ = 181500150180186. Its totient is φ = 60500050060060.

The previous prime is 121000100120117. The next prime is 121000100120197. The reversal of 121000100120122 is 221021001000121.

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., 111914161944601 + 9085938175521 = 10578949^2 + 3014289^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30250025030029 + ... + 30250025030032.

Almost surely, 2^{121000100120122} is an apocalyptic number.

121000100120122 is a deficient number, since it is larger than the sum of its proper divisors (60500050060064).

121000100120122 is an equidigital number, since it uses as much as digits as its factorization.

121000100120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60500050060063.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121000100120122 its reverse (221021001000121), we get a palindrome (342021101120243).

The spelling of 121000100120122 in words is "one hundred twenty-one trillion, one hundred million, one hundred twenty thousand, one hundred twenty-two".