121102022120 has 32 divisors (see below), whose sum is σ = 288507760200. Its totient is φ = 45591349248.

The previous prime is 121102022099. The next prime is 121102022123. The reversal of 121102022120 is 21220201121.

It can be written as a sum of positive squares in 4 ways, for example, as 121019102884 + 82919236 = 347878^2 + 9106^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121102022095 and 121102022104.

It is not an unprimeable number, because it can be changed into a prime (121102022123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89044925 + ... + 89046284.

Almost surely, 2^121102022120 is an apocalyptic number.

121102022120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121102022120 is an abundant number, since it is smaller than the sum of its proper divisors (167405738080).

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

121102022120 is a wasteful number, since it uses less digits than its factorization.

121102022120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178091237 (or 178091233 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121102022120 its reverse (21220201121), we get a palindrome (142322223241).

The spelling of 121102022120 in words is "one hundred twenty-one billion, one hundred two million, twenty-two thousand, one hundred twenty".