21233244102351 has 8 divisors (see below), whose sum is σ = 28775106761904. Its totient is φ = 13923438755520.

The previous prime is 21233244102341. The next prime is 21233244102481. The reversal of 21233244102351 is 15320144233212.

It is a happy number.

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

It is not a de Polignac number, because 21233244102351 - 2¹⁴ = 21233244085967 is a prime.

It is a super-2 number, since 2×21233244102351² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21233244102341) 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, 58014327966 + ... + 58014328331.

It is an arithmetic number, because the mean of its divisors is an integer number (3596888345238).

Almost surely, 2^{21233244102351} is an apocalyptic number.

21233244102351 is a deficient number, since it is larger than the sum of its proper divisors (7541862659553).

21233244102351 is a wasteful number, since it uses less digits than its factorization.

21233244102351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116028656361.

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 21233244102351 its reverse (15320144233212), we get a palindrome (36553388335563).

The spelling of 21233244102351 in words is "twenty-one trillion, two hundred thirty-three billion, two hundred forty-four million, one hundred two thousand, three hundred fifty-one".