21343322310000 has 100 divisors (see below), whose sum is σ = 68899090289832. Its totient is φ = 5691552608000.

The previous prime is 21343322309957. The next prime is 21343322310031. The reversal of 21343322310000 is 1322334312.

It is a tau number, because it is divible by the number of its divisors (100).

It is a super-2 number, since 2×21343322310000² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 355692039 + ... + 355752038.

Almost surely, 2^{21343322310000} is an apocalyptic number.

21343322310000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21343322310000 is an abundant number, since it is smaller than the sum of its proper divisors (47555767979832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21343322310000 is an equidigital number, since it uses as much as digits as its factorization.

21343322310000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711444108 (or 711444087 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 21343322310000 its reverse (1322334312), we get a palindrome (21344644644312).

The spelling of 21343322310000 in words is "twenty-one trillion, three hundred forty-three billion, three hundred twenty-two million, three hundred ten thousand".