2321010021000 has 768 divisors, whose sum is σ = 8260426137600. Its totient is φ = 541611840000.

The previous prime is 2321010020981. The next prime is 2321010021013. The reversal of 2321010021000 is 1200101232.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2689466569 + ... + 2689467431.

It is an arithmetic number, because the mean of its divisors is an integer number (10755763200).

Almost surely, 2^{2321010021000} is an apocalyptic number.

2321010021000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2321010021000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4130213068800).

2321010021000 is an abundant number, since it is smaller than the sum of its proper divisors (5939416116600).

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

2321010021000 is a wasteful number, since it uses less digits than its factorization.

2321010021000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179 (or 1154 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 2321010021000 its reverse (1200101232), we get a palindrome (2322210122232).

The spelling of 2321010021000 in words is "two trillion, three hundred twenty-one billion, ten million, twenty-one thousand".