21003022110000 has 200 divisors, whose sum is σ = 77486350230784. Its totient is φ = 4800690720000.

The previous prime is 21003022109977. The next prime is 21003022110001. The reversal of 21003022110000 is 1122030012.

It is a tau number, because it is divible by the number of its divisors (200).

It is a super-4 number, since 4×21003022110000⁴ (a number of 54 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (21003022110001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 49797196 + ... + 50217195.

Almost surely, 2^{21003022110000} is an apocalyptic number.

21003022110000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21003022110000 is an abundant number, since it is smaller than the sum of its proper divisors (56483328120784).

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

21003022110000 is a wasteful number, since it uses less digits than its factorization.

21003022110000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100014429 (or 100014408 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 21003022110000 its reverse (1122030012), we get a palindrome (21004144140012).

The spelling of 21003022110000 in words is "twenty-one trillion, three billion, twenty-two million, one hundred ten thousand".