21116022506414 has 16 divisors (see below), whose sum is σ = 34678233230256. Its totient is φ = 9563541532800.

The previous prime is 21116022506413. The next prime is 21116022506429. The reversal of 21116022506414 is 41460522061112.

It is a super-2 number, since 2×21116022506414² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21116022506413) 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, 1732519547 + ... + 1732531734.

It is an arithmetic number, because the mean of its divisors is an integer number (2167389576891).

Almost surely, 2^{21116022506414} is an apocalyptic number.

21116022506414 is a deficient number, since it is larger than the sum of its proper divisors (13562210723842).

21116022506414 is a wasteful number, since it uses less digits than its factorization.

21116022506414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3465051571.

The product of its (nonzero) digits is 23040, while the sum is 35.

Adding to 21116022506414 its reverse (41460522061112), we get a palindrome (62576544567526).

The spelling of 21116022506414 in words is "twenty-one trillion, one hundred sixteen billion, twenty-two million, five hundred six thousand, four hundred fourteen".