21404114102 has 16 divisors (see below), whose sum is σ = 36694721952. Its totient is φ = 9172703040.

The previous prime is 21404114059. The next prime is 21404114117. The reversal of 21404114102 is 20141140412.

It is a super-2 number, since 2×21404114102² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384602 + ... + 436722.

It is an arithmetic number, because the mean of its divisors is an integer number (2293420122).

Almost surely, 2^21404114102 is an apocalyptic number.

21404114102 is a deficient number, since it is larger than the sum of its proper divisors (15290607850).

21404114102 is a wasteful number, since it uses less digits than its factorization.

21404114102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81463.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 21404114102 its reverse (20141140412), we get a palindrome (41545254514).

The spelling of 21404114102 in words is "twenty-one billion, four hundred four million, one hundred fourteen thousand, one hundred two".