1103211203101 has 12 divisors (see below), whose sum is σ = 1358817161148. Its totient is φ = 889985507712.

The previous prime is 1103211203047. The next prime is 1103211203137. The reversal of 1103211203101 is 1013021123011.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 747142411876 + 356068791225 = 864374^2 + 596715^2 .

It is not a de Polignac number, because 1103211203101 - 2¹⁹ = 1103210678813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103211207101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 662190766 + ... + 662192431.

It is an arithmetic number, because the mean of its divisors is an integer number (113234763429).

Almost surely, 2^{1103211203101} is an apocalyptic number.

It is an amenable number.

1103211203101 is a deficient number, since it is larger than the sum of its proper divisors (255605958047).

1103211203101 is a wasteful number, since it uses less digits than its factorization.

1103211203101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324383228 (or 1324383221 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1103211203101 its reverse (1013021123011), we get a palindrome (2116232326112).

The spelling of 1103211203101 in words is "one trillion, one hundred three billion, two hundred eleven million, two hundred three thousand, one hundred one".