21010110001202 has 16 divisors (see below), whose sum is σ = 36696903723072. Its totient is φ = 8834439784560.

The previous prime is 21010110001157. The next prime is 21010110001207. The reversal of 21010110001202 is 20210001101012.

It is not an unprimeable number, because it can be changed into a prime (21010110001207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14157755324 + ... + 14157756807.

It is an arithmetic number, because the mean of its divisors is an integer number (2293556482692).

Almost surely, 2^{21010110001202} is an apocalyptic number.

21010110001202 is a deficient number, since it is larger than the sum of its proper divisors (15686793721870).

21010110001202 is a wasteful number, since it uses less digits than its factorization.

21010110001202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28315512193.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 21010110001202 its reverse (20210001101012), we get a palindrome (41220111102214).

The spelling of 21010110001202 in words is "twenty-one trillion, ten billion, one hundred ten million, one thousand, two hundred two".