101103221312 has 28 divisors (see below), whose sum is σ = 200636975916. Its totient is φ = 50549022720.

The previous prime is 101103221311. The next prime is 101103221353. The reversal of 101103221312 is 213122301101.

It can be written as a sum of positive squares in 2 ways, for example, as 46545473536 + 54557747776 = 215744^2 + 233576^2 .

It is a super-3 number, since 3×101103221312³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (101103221311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2087612 + ... + 2135492.

Almost surely, 2^101103221312 is an apocalyptic number.

It is an amenable number.

101103221312 is a deficient number, since it is larger than the sum of its proper divisors (99533754604).

101103221312 is an equidigital number, since it uses as much as digits as its factorization.

101103221312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80886 (or 80876 counting only the distinct ones).

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

Adding to 101103221312 its reverse (213122301101), we get a palindrome (314225522413).

The spelling of 101103221312 in words is "one hundred one billion, one hundred three million, two hundred twenty-one thousand, three hundred twelve".