21313332101123 has 8 divisors (see below), whose sum is σ = 21450640440528. Its totient is φ = 21176415512704.

The previous prime is 21313332101069. The next prime is 21313332101129. The reversal of 21313332101123 is 32110123331312.

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

It is not a de Polignac number, because 21313332101123 - 2¹² = 21313332097027 is a prime.

It is a super-2 number, since 2×21313332101123² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21313332101092 and 21313332101101.

It is not an unprimeable number, because it can be changed into a prime (21313332101129) 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, 97828586 + ... + 98046207.

It is an arithmetic number, because the mean of its divisors is an integer number (2681330055066).

Almost surely, 2^{21313332101123} is an apocalyptic number.

21313332101123 is a deficient number, since it is larger than the sum of its proper divisors (137308339405).

21313332101123 is a wasteful number, since it uses less digits than its factorization.

21313332101123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195875493.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 21313332101123 its reverse (32110123331312), we get a palindrome (53423455432435).

The spelling of 21313332101123 in words is "twenty-one trillion, three hundred thirteen billion, three hundred thirty-two million, one hundred one thousand, one hundred twenty-three".