21031314114211 has 24 divisors (see below), whose sum is σ = 22316709752064. Its totient is φ = 19816521212160.

The previous prime is 21031314114203. The next prime is 21031314114227. The reversal of 21031314114211 is 11241141313012.

It is not a de Polignac number, because 21031314114211 - 2³ = 21031314114203 is a prime.

It is a super-2 number, since 2×21031314114211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21031314114011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 432781131 + ... + 432829723.

It is an arithmetic number, because the mean of its divisors is an integer number (929862906336).

Almost surely, 2^{21031314114211} is an apocalyptic number.

21031314114211 is a deficient number, since it is larger than the sum of its proper divisors (1285395637853).

21031314114211 is a wasteful number, since it uses less digits than its factorization.

21031314114211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55099 (or 55080 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

Adding to 21031314114211 its reverse (11241141313012), we get a palindrome (32272455427223).

The spelling of 21031314114211 in words is "twenty-one trillion, thirty-one billion, three hundred fourteen million, one hundred fourteen thousand, two hundred eleven".