12211121102120 has 32 divisors (see below), whose sum is σ = 27480594820320. Its totient is φ = 4883457802560.

The previous prime is 12211121102071. The next prime is 12211121102129. The reversal of 12211121102120 is 2120112111221.

It is a super-2 number, since 2×12211121102120² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12211121102129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30757742 + ... + 31152221.

It is an arithmetic number, because the mean of its divisors is an integer number (858768588135).

Almost surely, 2^{12211121102120} is an apocalyptic number.

12211121102120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12211121102120 is an abundant number, since it is smaller than the sum of its proper divisors (15269473718200).

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

12211121102120 is a wasteful number, since it uses less digits than its factorization.

12211121102120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61914905 (or 61914901 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12211121102120 its reverse (2120112111221), we get a palindrome (14331233213341).

It can be divided in two parts, 1221112 and 1102120, that added together give a palindrome (2323232).

The spelling of 12211121102120 in words is "twelve trillion, two hundred eleven billion, one hundred twenty-one million, one hundred two thousand, one hundred twenty".