21202001010010 has 16 divisors (see below), whose sum is σ = 39822888854016. Its totient is φ = 8112069951568.

The previous prime is 21202001009879. The next prime is 21202001010011. The reversal of 21202001010010 is 1001010020212.

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 (21202001010011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46091306314 + ... + 46091306773.

It is an arithmetic number, because the mean of its divisors is an integer number (2488930553376).

Almost surely, 2^{21202001010010} is an apocalyptic number.

21202001010010 is a deficient number, since it is larger than the sum of its proper divisors (18620887844006).

21202001010010 is a wasteful number, since it uses less digits than its factorization.

21202001010010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92182613117.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 21202001010010 its reverse (1001010020212), we get a palindrome (22203011030222).

The spelling of 21202001010010 in words is "twenty-one trillion, two hundred two billion, one million, ten thousand, ten".