10002021001983 has 24 divisors (see below), whose sum is σ = 15097888236288. Its totient is φ = 6374370622032.

The previous prime is 10002021001937. The next prime is 10002021002033. The reversal of 10002021001983 is 38910012020001.

It is not a de Polignac number, because 10002021001983 - 2¹³ = 10002020993791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10002021001913) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 274928785 + ... + 274965162.

It is an arithmetic number, because the mean of its divisors is an integer number (629078676512).

Almost surely, 2^{10002021001983} is an apocalyptic number.

10002021001983 is a deficient number, since it is larger than the sum of its proper divisors (5095867234305).

10002021001983 is a wasteful number, since it uses less digits than its factorization.

10002021001983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549894043 (or 549894040 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

Adding to 10002021001983 its reverse (38910012020001), we get a palindrome (48912033021984).

The spelling of 10002021001983 in words is "ten trillion, two billion, twenty-one million, one thousand, nine hundred eighty-three".