21022212011300 has 36 divisors (see below), whose sum is σ = 45618707934576. Its totient is φ = 8408791188000.

The previous prime is 21022212011257. The next prime is 21022212011303. The reversal of 21022212011300 is 311021222012.

It is a super-3 number, since 3×21022212011300³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (21022212011303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8232875 + ... + 10479725.

It is an arithmetic number, because the mean of its divisors is an integer number (1267186331516).

Almost surely, 2^{21022212011300} is an apocalyptic number.

21022212011300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21022212011300 is an abundant number, since it is smaller than the sum of its proper divisors (24596495923276).

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

21022212011300 is a wasteful number, since it uses less digits than its factorization.

21022212011300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2340428 (or 2340421 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 21022212011300 its reverse (311021222012), we get a palindrome (21333233233312).

The spelling of 21022212011300 in words is "twenty-one trillion, twenty-two billion, two hundred twelve million, eleven thousand, three hundred".