21101302330213 has 32 divisors (see below), whose sum is σ = 24774793602048. Its totient is φ = 17595162748800.

The previous prime is 21101302330093. The next prime is 21101302330243. The reversal of 21101302330213 is 31203320310112.

It is not a de Polignac number, because 21101302330213 - 2¹⁷ = 21101302199141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21101302330243) 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, 152367106 + ... + 152505532.

It is an arithmetic number, because the mean of its divisors is an integer number (774212300064).

Almost surely, 2^{21101302330213} is an apocalyptic number.

It is an amenable number.

21101302330213 is a deficient number, since it is larger than the sum of its proper divisors (3673491271835).

21101302330213 is a wasteful number, since it uses less digits than its factorization.

21101302330213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139993.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 21101302330213 its reverse (31203320310112), we get a palindrome (52304622640325).

The spelling of 21101302330213 in words is "twenty-one trillion, one hundred one billion, three hundred two million, three hundred thirty thousand, two hundred thirteen".