1101022120320 has 128 divisors (see below), whose sum is σ = 3584178685440. Its totient is φ = 287358941184.

The previous prime is 1101022120313. The next prime is 1101022120409. The reversal of 1101022120320 is 230212201011.

It is a tau number, because it is divible by the number of its divisors (128).

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

It is a self number, because there is not a number n which added to its sum of digits gives 1101022120320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6010282 + ... + 6190761.

It is an arithmetic number, because the mean of its divisors is an integer number (28001395980).

Almost surely, 2^{1101022120320} is an apocalyptic number.

1101022120320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101022120320 is an abundant number, since it is smaller than the sum of its proper divisors (2483156565120).

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

1101022120320 is a wasteful number, since it uses less digits than its factorization.

1101022120320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12201112 (or 12201100 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1101022120320 its reverse (230212201011), we get a palindrome (1331234321331).

The spelling of 1101022120320 in words is "one trillion, one hundred one billion, twenty-two million, one hundred twenty thousand, three hundred twenty".