21202114014 has 48 divisors (see below), whose sum is σ = 48291992112. Its totient is φ = 6970546368.

The previous prime is 21202114013. The next prime is 21202114019. The reversal of 21202114014 is 41041120212.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21202114013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 263329 + ... + 334284.

It is an arithmetic number, because the mean of its divisors is an integer number (1006083169).

Almost surely, 2^21202114014 is an apocalyptic number.

21202114014 is an abundant number, since it is smaller than the sum of its proper divisors (27089878098).

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

21202114014 is an equidigital number, since it uses as much as digits as its factorization.

21202114014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597703 (or 597691 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 21202114014 its reverse (41041120212), we get a palindrome (62243234226).

The spelling of 21202114014 in words is "twenty-one billion, two hundred two million, one hundred fourteen thousand, fourteen".