1021441112120 has 64 divisors (see below), whose sum is σ = 2700033164640. Its totient is φ = 342861350400.

The previous prime is 1021441112119. The next prime is 1021441112123. The reversal of 1021441112120 is 212111441201.

1021441112120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1021441112092 and 1021441112101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021441112123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89281091 + ... + 89292530.

Almost surely, 2^{1021441112120} is an apocalyptic number.

1021441112120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1021441112120 is an abundant number, since it is smaller than the sum of its proper divisors (1678592052520).

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

1021441112120 is a wasteful number, since it uses less digits than its factorization.

1021441112120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178573656 (or 178573652 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 1021441112120 its reverse (212111441201), we get a palindrome (1233552553321).

The spelling of 1021441112120 in words is "one trillion, twenty-one billion, four hundred forty-one million, one hundred twelve thousand, one hundred twenty".