21152210224114 has 32 divisors (see below), whose sum is σ = 34049357090496. Its totient is φ = 9820036193280.

The previous prime is 21152210224051. The next prime is 21152210224129. The reversal of 21152210224114 is 41142201225112.

It is a happy number.

It is a super-2 number, since 2×21152210224114² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11185984 + ... + 12939499.

It is an arithmetic number, because the mean of its divisors is an integer number (1064042409078).

Almost surely, 2^{21152210224114} is an apocalyptic number.

21152210224114 is a deficient number, since it is larger than the sum of its proper divisors (12897146866382).

21152210224114 is a wasteful number, since it uses less digits than its factorization.

21152210224114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24125850.

The product of its (nonzero) digits is 2560, while the sum is 28.

Adding to 21152210224114 its reverse (41142201225112), we get a palindrome (62294411449226).

The spelling of 21152210224114 in words is "twenty-one trillion, one hundred fifty-two billion, two hundred ten million, two hundred twenty-four thousand, one hundred fourteen".