1031101021120 has 56 divisors (see below), whose sum is σ = 2455497756000. Its totient is φ = 412408753152.

The previous prime is 1031101021079. The next prime is 1031101021123. The reversal of 1031101021120 is 211201011301.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1031101021120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031101021123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4298926 + ... + 4532434.

Almost surely, 2^{1031101021120} is an apocalyptic number.

1031101021120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031101021120 is an abundant number, since it is smaller than the sum of its proper divisors (1424396734880).

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

1031101021120 is a wasteful number, since it uses less digits than its factorization.

1031101021120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247325 (or 247315 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1031101021120 its reverse (211201011301), we get a palindrome (1242302032421).

The spelling of 1031101021120 in words is "one trillion, thirty-one billion, one hundred one million, twenty-one thousand, one hundred twenty".