21221240120114 has 32 divisors (see below), whose sum is σ = 33608731248000. Its totient is φ = 10029376491904.

The previous prime is 21221240120083. The next prime is 21221240120123. The reversal of 21221240120114 is 41102104212212.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 21221240120114.

It is an unprimeable number.

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, 5480117 + ... + 8513175.

It is an arithmetic number, because the mean of its divisors is an integer number (1050272851500).

Almost surely, 2^{21221240120114} is an apocalyptic number.

21221240120114 is a deficient number, since it is larger than the sum of its proper divisors (12387491127886).

21221240120114 is a wasteful number, since it uses less digits than its factorization.

21221240120114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3034882.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 21221240120114 its reverse (41102104212212), we get a palindrome (62323344332326).

The spelling of 21221240120114 in words is "twenty-one trillion, two hundred twenty-one billion, two hundred forty million, one hundred twenty thousand, one hundred fourteen".