21034003111000 has 64 divisors (see below), whose sum is σ = 53694073424160. Its totient is φ = 7648728400000.

The previous prime is 21034003110977. The next prime is 21034003111001. The reversal of 21034003111000 is 11130043012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21034003111001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 956080051 + ... + 956102050.

Almost surely, 2^{21034003111000} is an apocalyptic number.

21034003111000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21034003111000 is an abundant number, since it is smaller than the sum of its proper divisors (32660070313160).

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

21034003111000 is a wasteful number, since it uses less digits than its factorization.

21034003111000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1912182133 (or 1912182119 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 21034003111000 its reverse (11130043012), we get a palindrome (21045133154012).

The spelling of 21034003111000 in words is "twenty-one trillion, thirty-four billion, three million, one hundred eleven thousand".