21411402122 has 16 divisors (see below), whose sum is σ = 35559780192. Its totient is φ = 9587194320.

The previous prime is 21411402113. The next prime is 21411402137. The reversal of 21411402122 is 22120411412.

It is a super-2 number, since 2×21411402122² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21411402094 and 21411402103.

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, 7261553 + ... + 7264500.

It is an arithmetic number, because the mean of its divisors is an integer number (2222486262).

Almost surely, 2^21411402122 is an apocalyptic number.

21411402122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21411402122 is a deficient number, since it is larger than the sum of its proper divisors (14148378070).

21411402122 is a wasteful number, since it uses less digits than its factorization.

21411402122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14526133.

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

Adding to 21411402122 its reverse (22120411412), we get a palindrome (43531813534).

The spelling of 21411402122 in words is "twenty-one billion, four hundred eleven million, four hundred two thousand, one hundred twenty-two".