10002021002010 has 48 divisors (see below), whose sum is σ = 26431570269000. Its totient is φ = 2623480917120.

The previous prime is 10002021001937. The next prime is 10002021002033. The reversal of 10002021002010 is 1020012020001.

It can be written as a sum of positive squares in 4 ways, for example, as 2322310831569 + 7679710170441 = 1523913^2 + 2771229^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 10002021001983 and 10002021002001.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 910925385 + ... + 910936364.

Almost surely, 2^{10002021002010} is an apocalyptic number.

10002021002010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10002021002010 is an abundant number, since it is smaller than the sum of its proper divisors (16429549266990).

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

10002021002010 is a wasteful number, since it uses less digits than its factorization.

10002021002010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1821861823 (or 1821861820 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 10002021002010 its reverse (1020012020001), we get a palindrome (11022033022011).

The spelling of 10002021002010 in words is "ten trillion, two billion, twenty-one million, two thousand, ten".