21101322130010 has 8 divisors (see below), whose sum is σ = 37982379834036. Its totient is φ = 8440528852000.

The previous prime is 21101322129991. The next prime is 21101322130103. The reversal of 21101322130010 is 1003122310112.

It can be written as a sum of positive squares in 2 ways, for example, as 18955861791889 + 2145460338121 = 4353833^2 + 1464739^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1055066106491 + ... + 1055066106510.

Almost surely, 2^{21101322130010} is an apocalyptic number.

21101322130010 is a deficient number, since it is larger than the sum of its proper divisors (16881057704026).

21101322130010 is a wasteful number, since it uses less digits than its factorization.

21101322130010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2110132213008.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 21101322130010 its reverse (1003122310112), we get a palindrome (22104444440122).

The spelling of 21101322130010 in words is "twenty-one trillion, one hundred one billion, three hundred twenty-two million, one hundred thirty thousand, ten".