121122100001002 has 4 divisors (see below), whose sum is σ = 181683150001506. Its totient is φ = 60561050000500.

The previous prime is 121122100000933. The next prime is 121122100001009. The reversal of 121122100001002 is 200100001221121.

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., 112291937110521 + 8830162890481 = 10596789^2 + 2971559^2 .

It is not an unprimeable number, because it can be changed into a prime (121122100001009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30280525000249 + ... + 30280525000252.

Almost surely, 2^{121122100001002} is an apocalyptic number.

121122100001002 is a deficient number, since it is larger than the sum of its proper divisors (60561050000504).

121122100001002 is an equidigital number, since it uses as much as digits as its factorization.

121122100001002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60561050000503.

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

Adding to 121122100001002 its reverse (200100001221121), we get a palindrome (321222101222123).

The spelling of 121122100001002 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, one hundred million, one thousand, two".