21010101102302 has 16 divisors (see below), whose sum is σ = 35725677988560. Its totient is φ = 9186602910912.

The previous prime is 21010101102271. The next prime is 21010101102313. The reversal of 21010101102302 is 20320110101012.

It is a super-3 number, since 3×21010101102302³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21265284023 + ... + 21265285010.

It is an arithmetic number, because the mean of its divisors is an integer number (2232854874285).

Almost surely, 2^{21010101102302} is an apocalyptic number.

21010101102302 is a deficient number, since it is larger than the sum of its proper divisors (14715576886258).

21010101102302 is a wasteful number, since it uses less digits than its factorization.

21010101102302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42530569067.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 21010101102302 its reverse (20320110101012), we get a palindrome (41330211203314).

The spelling of 21010101102302 in words is "twenty-one trillion, ten billion, one hundred one million, one hundred two thousand, three hundred two".