1203044102221 has 4 divisors (see below), whose sum is σ = 1295585956252. Its totient is φ = 1110502248192.

The previous prime is 1203044102171. The next prime is 1203044102231. The reversal of 1203044102221 is 1222014403021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 824836322025 + 378207780196 = 908205^2 + 614986^2 .

It is a cyclic number.

It is not a de Polignac number, because 1203044102221 - 2¹⁷ = 1203043971149 is a prime.

It is a super-2 number, since 2×1203044102221² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1203044102192 and 1203044102201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203044102231) 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, 46270926996 + ... + 46270927021.

It is an arithmetic number, because the mean of its divisors is an integer number (323896489063).

Almost surely, 2^{1203044102221} is an apocalyptic number.

It is an amenable number.

1203044102221 is a deficient number, since it is larger than the sum of its proper divisors (92541854031).

1203044102221 is an equidigital number, since it uses as much as digits as its factorization.

1203044102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92541854030.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 1203044102221 its reverse (1222014403021), we get a palindrome (2425058505242).

The spelling of 1203044102221 in words is "one trillion, two hundred three billion, forty-four million, one hundred two thousand, two hundred twenty-one".