10311220120220 has 48 divisors (see below), whose sum is σ = 21677880813120. Its totient is φ = 4119856843776.

The previous prime is 10311220120217. The next prime is 10311220120259. The reversal of 10311220120220 is 2202102211301.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 238041284 + ... + 238084596.

It is an arithmetic number, because the mean of its divisors is an integer number (451622516940).

Almost surely, 2^{10311220120220} is an apocalyptic number.

10311220120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10311220120220 is an abundant number, since it is smaller than the sum of its proper divisors (11366660692900).

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

10311220120220 is a wasteful number, since it uses less digits than its factorization.

10311220120220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56414 (or 56412 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 10311220120220 its reverse (2202102211301), we get a palindrome (12513322331521).

The spelling of 10311220120220 in words is "ten trillion, three hundred eleven billion, two hundred twenty million, one hundred twenty thousand, two hundred twenty".