21141123414 has 16 divisors (see below), whose sum is σ = 44507628480. Its totient is φ = 6676144200.

The previous prime is 21141123401. The next prime is 21141123427. The reversal of 21141123414 is 41432114112.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (21141123401) and next prime (21141123427).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92724112 + ... + 92724339.

It is an arithmetic number, because the mean of its divisors is an integer number (2781726780).

Almost surely, 2^21141123414 is an apocalyptic number.

21141123414 is an abundant number, since it is smaller than the sum of its proper divisors (23366505066).

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

21141123414 is a wasteful number, since it uses less digits than its factorization.

21141123414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185448475.

The product of its digits is 768, while the sum is 24.

Adding to 21141123414 its reverse (41432114112), we get a palindrome (62573237526).

The spelling of 21141123414 in words is "twenty-one billion, one hundred forty-one million, one hundred twenty-three thousand, four hundred fourteen".