21010302113 has 8 divisors (see below), whose sum is σ = 21550129440. Its totient is φ = 20471778720.

The previous prime is 21010302097. The next prime is 21010302143. The reversal of 21010302113 is 31120301012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21010302113 - 2⁴ = 21010302097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21010302143) 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, 293303 + ... + 357836.

It is an arithmetic number, because the mean of its divisors is an integer number (2693766180).

Almost surely, 2^21010302113 is an apocalyptic number.

It is an amenable number.

21010302113 is a deficient number, since it is larger than the sum of its proper divisors (539827327).

21010302113 is an equidigital number, since it uses as much as digits as its factorization.

21010302113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651967.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 21010302113 its reverse (31120301012), we get a palindrome (52130603125).

The spelling of 21010302113 in words is "twenty-one billion, ten million, three hundred two thousand, one hundred thirteen".