21342002242200 has 192 divisors, whose sum is σ = 72467570484000. Its totient is φ = 5171719741440.

The previous prime is 21342002242199. The next prime is 21342002242291. The reversal of 21342002242200 is 224220024312.

It is a super-3 number, since 3×21342002242200³ (a number of 41 digits) contains 333 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 47 ways as a sum of consecutive naturals, for example, 35779255 + ... + 36370854.

Almost surely, 2^{21342002242200} is an apocalyptic number.

21342002242200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21342002242200 is an abundant number, since it is smaller than the sum of its proper divisors (51125568241800).

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

21342002242200 is a wasteful number, since it uses less digits than its factorization.

21342002242200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72150174 (or 72150165 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 21342002242200 its reverse (224220024312), we get a palindrome (21566222266512).

The spelling of 21342002242200 in words is "twenty-one trillion, three hundred forty-two billion, two million, two hundred forty-two thousand, two hundred".