121110010202 has 4 divisors (see below), whose sum is σ = 181665015306. Its totient is φ = 60555005100.

The previous prime is 121110010187. The next prime is 121110010243. The reversal of 121110010202 is 202010011121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 202010011121 = 47 ⋅4298085343.

It can be written as a sum of positive squares in only one way, i.e., 75185091601 + 45924918601 = 274199^2 + 214301^2 .

It is a super-2 number, since 2×121110010202² (a number of 23 digits) contains 22 as substring.

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, 30277502549 + ... + 30277502552.

Almost surely, 2^121110010202 is an apocalyptic number.

121110010202 is a deficient number, since it is larger than the sum of its proper divisors (60555005104).

121110010202 is an equidigital number, since it uses as much as digits as its factorization.

121110010202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60555005103.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 121110010202 its reverse (202010011121), we get a palindrome (323120021323).

The spelling of 121110010202 in words is "one hundred twenty-one billion, one hundred ten million, ten thousand, two hundred two".