21140403142210 has 16 divisors (see below), whose sum is σ = 41512064352192. Its totient is φ = 7687419324400.

The previous prime is 21140403142129. The next prime is 21140403142241. The reversal of 21140403142210 is 1224130404112.

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, 96092741446 + ... + 96092741665.

It is an arithmetic number, because the mean of its divisors is an integer number (2594504022012).

Almost surely, 2^{21140403142210} is an apocalyptic number.

21140403142210 is a deficient number, since it is larger than the sum of its proper divisors (20371661209982).

21140403142210 is a wasteful number, since it uses less digits than its factorization.

21140403142210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192185483129.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 21140403142210 its reverse (1224130404112), we get a palindrome (22364533546322).

The spelling of 21140403142210 in words is "twenty-one trillion, one hundred forty billion, four hundred three million, one hundred forty-two thousand, two hundred ten".