121140322220 has 24 divisors (see below), whose sum is σ = 254570545824. Its totient is φ = 48422630016.

The previous prime is 121140322211. The next prime is 121140322267. The reversal of 121140322220 is 22223041121.

It is a super-3 number, since 3×121140322220³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 121140322192 and 121140322201.

It is an unprimeable number.

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, 2064017 + ... + 2121896.

It is an arithmetic number, because the mean of its divisors is an integer number (10607106076).

Almost surely, 2^121140322220 is an apocalyptic number.

121140322220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121140322220 is an abundant number, since it is smaller than the sum of its proper divisors (133430223604).

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

121140322220 is a wasteful number, since it uses less digits than its factorization.

121140322220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4187369 (or 4187367 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 121140322220 its reverse (22223041121), we get a palindrome (143363363341).

The spelling of 121140322220 in words is "one hundred twenty-one billion, one hundred forty million, three hundred twenty-two thousand, two hundred twenty".