10021102010 has 64 divisors (see below), whose sum is σ = 18626442912. Its totient is φ = 3880452096.

The previous prime is 10021101997. The next prime is 10021102019. The reversal of 10021102010 is 1020112001.

It can be written as a sum of positive squares in 16 ways, for example, as 3896630929 + 6124471081 = 62423^2 + 78259^2 .

It is not an unprimeable number, because it can be changed into a prime (10021102019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9700454 + ... + 9701486.

Almost surely, 2^10021102010 is an apocalyptic number.

10021102010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10021102010 is a deficient number, since it is larger than the sum of its proper divisors (8605340902).

10021102010 is a wasteful number, since it uses less digits than its factorization.

10021102010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 10021102010 its reverse (1020112001), we get a palindrome (11041214011).

Subtracting from 10021102010 its reverse (1020112001), we obtain a palindrome (9000990009).

The spelling of 10021102010 in words is "ten billion, twenty-one million, one hundred two thousand, ten".