121122110122212 has 48 divisors (see below), whose sum is σ = 293346770522624. Its totient is φ = 38855782944000.

The previous prime is 121122110122187. The next prime is 121122110122357. The reversal of 121122110122212 is 212221011221121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 899372089 + ... + 899506752.

Almost surely, 2^{121122110122212} is an apocalyptic number.

121122110122212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121122110122212 is an abundant number, since it is smaller than the sum of its proper divisors (172224660400412).

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

121122110122212 is a wasteful number, since it uses less digits than its factorization.

121122110122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1798879060 (or 1798879058 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 121122110122212 its reverse (212221011221121), we get a palindrome (333343121343333).

The spelling of 121122110122212 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, one hundred ten million, one hundred twenty-two thousand, two hundred twelve".