121102223320 has 128 divisors (see below), whose sum is σ = 295015089600. Its totient is φ = 44475439104.

The previous prime is 121102223293. The next prime is 121102223399. The reversal of 121102223320 is 23322201121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109198926 + ... + 109200034.

Almost surely, 2^121102223320 is an apocalyptic number.

121102223320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121102223320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147507544800).

121102223320 is an abundant number, since it is smaller than the sum of its proper divisors (173912866280).

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

121102223320 is a wasteful number, since it uses less digits than its factorization.

121102223320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2069 (or 2065 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 121102223320 its reverse (23322201121), we get a palindrome (144424424441).

The spelling of 121102223320 in words is "one hundred twenty-one billion, one hundred two million, two hundred twenty-three thousand, three hundred twenty".