21401004431114 has 32 divisors (see below), whose sum is σ = 40101287760000. Its totient is φ = 8321672399040.

The previous prime is 21401004431113. The next prime is 21401004431143. The reversal of 21401004431114 is 41113440010412.

It is a happy number.

It is a super-2 number, since 2×21401004431114² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21401004431113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136431989 + ... + 136588760.

It is an arithmetic number, because the mean of its divisors is an integer number (1253165242500).

Almost surely, 2^{21401004431114} is an apocalyptic number.

21401004431114 is a deficient number, since it is larger than the sum of its proper divisors (18700283328886).

21401004431114 is a wasteful number, since it uses less digits than its factorization.

21401004431114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273021278.

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 21401004431114 its reverse (41113440010412), we get a palindrome (62514444441526).

The spelling of 21401004431114 in words is "twenty-one trillion, four hundred one billion, four million, four hundred thirty-one thousand, one hundred fourteen".