1211202332103 has 16 divisors (see below), whose sum is σ = 1686335431680. Its totient is φ = 771818075424.

The previous prime is 1211202332089. The next prime is 1211202332107. The reversal of 1211202332103 is 3012332021121.

It is not a de Polignac number, because 1211202332103 - 2¹³ = 1211202323911 is a prime.

It is a super-2 number, since 2×1211202332103² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1211202332103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211202332107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6069648 + ... + 6266021.

It is an arithmetic number, because the mean of its divisors is an integer number (105395964480).

Almost surely, 2^{1211202332103} is an apocalyptic number.

1211202332103 is a deficient number, since it is larger than the sum of its proper divisors (475133099577).

1211202332103 is a wasteful number, since it uses less digits than its factorization.

1211202332103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12337118.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1211202332103 its reverse (3012332021121), we get a palindrome (4223534353224).

The spelling of 1211202332103 in words is "one trillion, two hundred eleven billion, two hundred two million, three hundred thirty-two thousand, one hundred three".