2101321323024 has 80 divisors (see below), whose sum is σ = 6767892065280. Its totient is φ = 545797745280.

The previous prime is 2101321322987. The next prime is 2101321323029. The reversal of 2101321323024 is 4203231231012.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 2101321322985 and 2101321323003.

It is not an unprimeable number, because it can be changed into a prime (2101321323029) 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, 284265964 + ... + 284273355.

It is an arithmetic number, because the mean of its divisors is an integer number (84598650816).

Almost surely, 2^{2101321323024} is an apocalyptic number.

2101321323024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2101321323024 is an abundant number, since it is smaller than the sum of its proper divisors (4666570742256).

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

2101321323024 is a wasteful number, since it uses less digits than its factorization.

2101321323024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568539348 (or 568539342 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 2101321323024 its reverse (4203231231012), we get a palindrome (6304552554036).

The spelling of 2101321323024 in words is "two trillion, one hundred one billion, three hundred twenty-one million, three hundred twenty-three thousand, twenty-four".