21411103012 has 12 divisors (see below), whose sum is σ = 40351694236. Its totient is φ = 9882047520.

The previous prime is 21411103003. The next prime is 21411103027. The reversal of 21411103012 is 21030111412.

It can be written as a sum of positive squares in 2 ways, for example, as 2302464256 + 19108638756 = 47984^2 + 138234^2 .

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, 205875939 + ... + 205876042.

Almost surely, 2^21411103012 is an apocalyptic number.

It is an amenable number.

21411103012 is a deficient number, since it is larger than the sum of its proper divisors (18940591224).

21411103012 is a wasteful number, since it uses less digits than its factorization.

21411103012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411751998 (or 411751996 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 21411103012 its reverse (21030111412), we get a palindrome (42441214424).

The spelling of 21411103012 in words is "twenty-one billion, four hundred eleven million, one hundred three thousand, twelve".