21460105502 has 16 divisors (see below), whose sum is σ = 36327452400. Its totient is φ = 9418227840.

The previous prime is 21460105501. The next prime is 21460105519. The reversal of 21460105502 is 20550106412.

It is a super-2 number, since 2×21460105502² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21460105501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16817627 + ... + 16818902.

It is an arithmetic number, because the mean of its divisors is an integer number (2270465775).

Almost surely, 2^21460105502 is an apocalyptic number.

21460105502 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21460105502 is a deficient number, since it is larger than the sum of its proper divisors (14867346898).

21460105502 is a wasteful number, since it uses less digits than its factorization.

21460105502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33636571.

The product of its (nonzero) digits is 2400, while the sum is 26.

It can be divided in two parts, 2146010 and 5502, that added together give a palindrome (2151512).

The spelling of 21460105502 in words is "twenty-one billion, four hundred sixty million, one hundred five thousand, five hundred two".