1110420121020 has 96 divisors (see below), whose sum is σ = 3567170976768. Its totient is φ = 252822700032.

The previous prime is 1110420120973. The next prime is 1110420121039. The reversal of 1110420121020 is 201210240111.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5035752 + ... + 5251631.

It is an arithmetic number, because the mean of its divisors is an integer number (37158031008).

Almost surely, 2^{1110420121020} is an apocalyptic number.

1110420121020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1110420121020 is an abundant number, since it is smaller than the sum of its proper divisors (2456750855748).

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

1110420121020 is a wasteful number, since it uses less digits than its factorization.

1110420121020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10287659 (or 10287657 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1110420121020 its reverse (201210240111), we get a palindrome (1311630361131).

The spelling of 1110420121020 in words is "one trillion, one hundred ten billion, four hundred twenty million, one hundred twenty-one thousand, twenty".