1031220110120 has 32 divisors (see below), whose sum is σ = 2327803077600. Its totient is φ = 411144429888.

The previous prime is 1031220110117. The next prime is 1031220110237. The reversal of 1031220110120 is 210110221301.

It is a junction number, because it is equal to n+sod(n) for n = 1031220110095 and 1031220110104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41975510 + ... + 42000069.

It is an arithmetic number, because the mean of its divisors is an integer number (72743846175).

Almost surely, 2^{1031220110120} is an apocalyptic number.

1031220110120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031220110120 is an abundant number, since it is smaller than the sum of its proper divisors (1296582967480).

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

1031220110120 is a wasteful number, since it uses less digits than its factorization.

1031220110120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83975897 (or 83975893 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1031220110120 its reverse (210110221301), we get a palindrome (1241330331421).

The spelling of 1031220110120 in words is "one trillion, thirty-one billion, two hundred twenty million, one hundred ten thousand, one hundred twenty".