21340011022 has 16 divisors (see below), whose sum is σ = 36974137392. Its totient is φ = 9129416320.

The previous prime is 21340010983. The next prime is 21340011031. The reversal of 21340011022 is 22011004312.

It is a junction number, because it is equal to n+sod(n) for n = 21340010987 and 21340011005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28529053 + ... + 28529800.

It is an arithmetic number, because the mean of its divisors is an integer number (2310883587).

Almost surely, 2^21340011022 is an apocalyptic number.

21340011022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21340011022 is a deficient number, since it is larger than the sum of its proper divisors (15634126370).

21340011022 is a wasteful number, since it uses less digits than its factorization.

21340011022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57058883.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 21340011022 its reverse (22011004312), we get a palindrome (43351015334).

It can be divided in two parts, 213400 and 11022, that added together give a palindrome (224422).

The spelling of 21340011022 in words is "twenty-one billion, three hundred forty million, eleven thousand, twenty-two".