21141104312210 has 16 divisors (see below), whose sum is σ = 38481560659800. Its totient is φ = 8361425525376.

The previous prime is 21141104312191. The next prime is 21141104312221. The reversal of 21141104312210 is 1221340114112.

It can be written as a sum of positive squares in 4 ways, for example, as 15861986909521 + 5279117402689 = 3982711^2 + 2297633^2 .

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, 11877024005 + ... + 11877025784.

Almost surely, 2^{21141104312210} is an apocalyptic number.

21141104312210 is a deficient number, since it is larger than the sum of its proper divisors (17340456347590).

21141104312210 is a wasteful number, since it uses less digits than its factorization.

21141104312210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23754049885.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 21141104312210 its reverse (1221340114112), we get a palindrome (22362444426322).

The spelling of 21141104312210 in words is "twenty-one trillion, one hundred forty-one billion, one hundred four million, three hundred twelve thousand, two hundred ten".