21103011030112 has 24 divisors (see below), whose sum is σ = 45323512326792. Its totient is φ = 9592277740800.

The previous prime is 21103011030091. The next prime is 21103011030137.

It is a happy number.

21103011030112 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29975867589 + ... + 29975868292.

It is an arithmetic number, because the mean of its divisors is an integer number (1888479680283).

Almost surely, 2^{21103011030112} is an apocalyptic number.

21103011030112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21103011030112 is an abundant number, since it is smaller than the sum of its proper divisors (24220501296680).

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

21103011030112 is a wasteful number, since it uses less digits than its factorization.

21103011030112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59951735902 (or 59951735894 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, 2110301 and 1030112, that added together give a palindrome (3140413).

The spelling of 21103011030112 in words is "twenty-one trillion, one hundred three billion, eleven million, thirty thousand, one hundred twelve".