21103030022311 has 8 divisors (see below), whose sum is σ = 21171091500000. Its totient is φ = 21034969866240.

The previous prime is 21103030022201. The next prime is 21103030022323. The reversal of 21103030022311 is 11322003030112.

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 21103030022311 - 2⁷ = 21103030022183 is a prime.

It is a super-2 number, since 2×21103030022311² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21103030022351) 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, 39307815 + ... + 39841063.

It is an arithmetic number, because the mean of its divisors is an integer number (2646386437500).

Almost surely, 2^{21103030022311} is an apocalyptic number.

21103030022311 is a deficient number, since it is larger than the sum of its proper divisors (68061477689).

21103030022311 is a wasteful number, since it uses less digits than its factorization.

21103030022311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660809.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 21103030022311 its reverse (11322003030112), we get a palindrome (32425033052423).

The spelling of 21103030022311 in words is "twenty-one trillion, one hundred three billion, thirty million, twenty-two thousand, three hundred eleven".