21341113402 has 32 divisors (see below), whose sum is σ = 37210717440. Its totient is φ = 8990472960.

The previous prime is 21341113397. The next prime is 21341113439. The reversal of 21341113402 is 20431114312.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303124 + ... + 366832.

It is an arithmetic number, because the mean of its divisors is an integer number (1162834920).

Almost surely, 2^21341113402 is an apocalyptic number.

21341113402 is a deficient number, since it is larger than the sum of its proper divisors (15869604038).

21341113402 is a wasteful number, since it uses less digits than its factorization.

21341113402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64126.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 21341113402 its reverse (20431114312), we get a palindrome (41772227714).

The spelling of 21341113402 in words is "twenty-one billion, three hundred forty-one million, one hundred thirteen thousand, four hundred two".