120211020122220 has 432 divisors, whose sum is σ = 376260445727712. Its totient is φ = 31057040424960.

The previous prime is 120211020122201. The next prime is 120211020122231. The reversal of 120211020122220 is 22221020112021.

It is a happy number.

120211020122220 is a `hidden beast` number, since 12 + 0 + 211 + 0 + 201 + 22 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 120211020122193 and 120211020122202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 22481953587 + ... + 22481958933.

Almost surely, 2^{120211020122220} is an apocalyptic number.

120211020122220 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 120211020122220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188130222863856).

120211020122220 is an abundant number, since it is smaller than the sum of its proper divisors (256049425605492).

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

120211020122220 is a wasteful number, since it uses less digits than its factorization.

120211020122220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5822 (or 5714 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 120211020122220 its reverse (22221020112021), we get a palindrome (142432040234241).

The spelling of 120211020122220 in words is "one hundred twenty trillion, two hundred eleven billion, twenty million, one hundred twenty-two thousand, two hundred twenty".