21003111130012 has 48 divisors (see below), whose sum is σ = 41046574149504. Its totient is φ = 9320930136000.

The previous prime is 21003111129983. The next prime is 21003111130129.

It is a happy number.

21003111130012 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×21003111130012² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2173687 + ... + 6836017.

It is an arithmetic number, because the mean of its divisors is an integer number (855136961448).

Almost surely, 2^{21003111130012} is an apocalyptic number.

21003111130012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21003111130012 is a deficient number, since it is larger than the sum of its proper divisors (20043463019492).

21003111130012 is a wasteful number, since it uses less digits than its factorization.

21003111130012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4664770 (or 4664768 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

It can be divided in two parts, 2100311 and 1130012, that added together give a palindrome (3230323).

The spelling of 21003111130012 in words is "twenty-one trillion, three billion, one hundred eleven million, one hundred thirty thousand, twelve".