21010001030302 has 32 divisors (see below), whose sum is σ = 32381106186240. Its totient is φ = 10219997518080.

The previous prime is 21010001030273. The next prime is 21010001030429. The reversal of 21010001030302 is 20303010001012.

It is a super-2 number, since 2×21010001030302² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 393337977 + ... + 393391387.

It is an arithmetic number, because the mean of its divisors is an integer number (1011909568320).

Almost surely, 2^{21010001030302} is an apocalyptic number.

21010001030302 is a deficient number, since it is larger than the sum of its proper divisors (11371105155938).

21010001030302 is a wasteful number, since it uses less digits than its factorization.

21010001030302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87936.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 21010001030302 its reverse (20303010001012), we get a palindrome (41313011031314).

The spelling of 21010001030302 in words is "twenty-one trillion, ten billion, one million, thirty thousand, three hundred two".