10002022021000 has 64 divisors (see below), whose sum is σ = 23636461782960. Its totient is φ = 3961196800000.

The previous prime is 10002022020979. The next prime is 10002022021007. The reversal of 10002022021000 is 12022020001.

It can be written as a sum of positive squares in 8 ways, for example, as 2003883723396 + 7998138297604 = 1415586^2 + 2828098^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (10002022021007) 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, 49413961 + ... + 49615960.

Almost surely, 2^{10002022021000} is an apocalyptic number.

10002022021000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10002022021000 is an abundant number, since it is smaller than the sum of its proper divisors (13634439761960).

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

10002022021000 is a wasteful number, since it uses less digits than its factorization.

10002022021000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99030043 (or 99030029 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 10002022021000 its reverse (12022020001), we get a palindrome (10014044041001).

Subtracting from 10002022021000 its reverse (12022020001), we obtain a palindrome (9990000000999).

The spelling of 10002022021000 in words is "ten trillion, two billion, twenty-two million, twenty-one thousand".