21202000100110 has 64 divisors (see below), whose sum is σ = 39561572413440. Its totient is φ = 8175909127680.

The previous prime is 21202000100093. The next prime is 21202000100111. The reversal of 21202000100110 is 1100100020212.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21202000100111) 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, 10700155 + ... + 12525865.

It is an arithmetic number, because the mean of its divisors is an integer number (618149568960).

Almost surely, 2^{21202000100110} is an apocalyptic number.

21202000100110 is a deficient number, since it is larger than the sum of its proper divisors (18359572313330).

21202000100110 is a wasteful number, since it uses less digits than its factorization.

21202000100110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826113.

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

Adding to 21202000100110 its reverse (1100100020212), we get a palindrome (22302100120322).

The spelling of 21202000100110 in words is "twenty-one trillion, two hundred two billion, one hundred thousand, one hundred ten".