21114040010 has 64 divisors (see below), whose sum is σ = 44762360832. Its totient is φ = 7019156736.

The previous prime is 21114040009. The next prime is 21114040021. The reversal of 21114040010 is 1004041112.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 744959 + ... + 772781.

It is an arithmetic number, because the mean of its divisors is an integer number (699411888).

Almost surely, 2^21114040010 is an apocalyptic number.

21114040010 is an abundant number, since it is smaller than the sum of its proper divisors (23648320822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21114040010 is a wasteful number, since it uses less digits than its factorization.

21114040010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28167.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 21114040010 its reverse (1004041112), we get a palindrome (22118081122).

The spelling of 21114040010 in words is "twenty-one billion, one hundred fourteen million, forty thousand, ten".