121110102202 has 4 divisors (see below), whose sum is σ = 181665153306. Its totient is φ = 60555051100.

The previous prime is 121110102193. The next prime is 121110102241. The reversal of 121110102202 is 202201011121.

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., 96808721881 + 24301380321 = 311141^2 + 155889^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30277525549 + ... + 30277525552.

Almost surely, 2^121110102202 is an apocalyptic number.

121110102202 is a deficient number, since it is larger than the sum of its proper divisors (60555051104).

121110102202 is an equidigital number, since it uses as much as digits as its factorization.

121110102202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60555051103.

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

Adding to 121110102202 its reverse (202201011121), we get a palindrome (323311113323).

The spelling of 121110102202 in words is "one hundred twenty-one billion, one hundred ten million, one hundred two thousand, two hundred two".