10202121210010 has 8 divisors (see below), whose sum is σ = 18363818178036. Its totient is φ = 4080848484000.

The previous prime is 10202121209999. The next prime is 10202121210011. The reversal of 10202121210010 is 1001212120201.

It can be written as a sum of positive squares in 2 ways, for example, as 9982901542329 + 219219667681 = 3159573^2 + 468209^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (10202121210011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 510106060491 + ... + 510106060510.

Almost surely, 2^{10202121210010} is an apocalyptic number.

10202121210010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10202121210010 is a deficient number, since it is larger than the sum of its proper divisors (8161696968026).

10202121210010 is a wasteful number, since it uses less digits than its factorization.

10202121210010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020212121008.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10202121210010 its reverse (1001212120201), we get a palindrome (11203333330211).

The spelling of 10202121210010 in words is "ten trillion, two hundred two billion, one hundred twenty-one million, two hundred ten thousand, ten".