121101020200122 has 8 divisors (see below), whose sum is σ = 242202040400256. Its totient is φ = 40367006733372.

The previous prime is 121101020200079. The next prime is 121101020200169. The reversal of 121101020200122 is 221002020101121.

It is a sphenic number, since it is the product of 3 distinct primes.

121101020200122 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10091751683338 + ... + 10091751683349.

It is an arithmetic number, because the mean of its divisors is an integer number (30275255050032).

Almost surely, 2^{121101020200122} is an apocalyptic number.

121101020200122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

121101020200122 is a wasteful number, since it uses less digits than its factorization.

121101020200122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20183503366692.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121101020200122 its reverse (221002020101121), we get a palindrome (342103040301243).

Subtracting 121101020200122 from its reverse (221002020101121), we obtain a palindrome (99900999900999).

The spelling of 121101020200122 in words is "one hundred twenty-one trillion, one hundred one billion, twenty million, two hundred thousand, one hundred twenty-two".