121022030320 has 80 divisors (see below), whose sum is σ = 302374673568. Its totient is φ = 44881182720.

The previous prime is 121022030299. The next prime is 121022030321. The reversal of 121022030320 is 23030220121.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 121022030294 and 121022030303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121022030321) 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 15 ways as a sum of consecutive naturals, for example, 572961 + ... + 755200.

Almost surely, 2^121022030320 is an apocalyptic number.

121022030320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121022030320 is an abundant number, since it is smaller than the sum of its proper divisors (181352643248).

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

121022030320 is a wasteful number, since it uses less digits than its factorization.

121022030320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328258 (or 1328252 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 121022030320 its reverse (23030220121), we get a palindrome (144052250441).

The spelling of 121022030320 in words is "one hundred twenty-one billion, twenty-two million, thirty thousand, three hundred twenty".