21113001410 has 16 divisors (see below), whose sum is σ = 38006569656. Its totient is φ = 8444496768.

The previous prime is 21113001389. The next prime is 21113001431. The reversal of 21113001410 is 1410031112.

It is an interprime number because it is at equal distance from previous prime (21113001389) and next prime (21113001431).

It can be written as a sum of positive squares in 4 ways, for example, as 7628450281 + 13484551129 = 87341^2 + 116123^2 .

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, 48032 + ... + 211028.

Almost surely, 2^21113001410 is an apocalyptic number.

21113001410 is a deficient number, since it is larger than the sum of its proper divisors (16893568246).

21113001410 is a wasteful number, since it uses less digits than its factorization.

21113001410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175957.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 21113001410 its reverse (1410031112), we get a palindrome (22523032522).

The spelling of 21113001410 in words is "twenty-one billion, one hundred thirteen million, one thousand, four hundred ten".