21140011042130 has 16 divisors (see below), whose sum is σ = 38052073551960. Its totient is φ = 8455992488832.

The previous prime is 21140011042103. The next prime is 21140011042141. The reversal of 21140011042130 is 3124011004112.

It can be written as a sum of positive squares in 4 ways, for example, as 15402304628929 + 5737706413201 = 3924577^2 + 2395351^2 .

It is a super-2 number, since 2×21140011042130² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10696526 + ... + 12517814.

Almost surely, 2^{21140011042130} is an apocalyptic number.

21140011042130 is a deficient number, since it is larger than the sum of its proper divisors (16912062509830).

21140011042130 is a wasteful number, since it uses less digits than its factorization.

21140011042130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2982013.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 21140011042130 its reverse (3124011004112), we get a palindrome (24264022046242).

The spelling of 21140011042130 in words is "twenty-one trillion, one hundred forty billion, eleven million, forty-two thousand, one hundred thirty".