1124201403221 has 12 divisors (see below), whose sum is σ = 1217383161732. Its totient is φ = 1037679492096.

The previous prime is 1124201403187. The next prime is 1124201403239. The reversal of 1124201403221 is 1223041024211.

It can be written as a sum of positive squares in 6 ways, for example, as 203342374225 + 920859028996 = 450935^2 + 959614^2 .

It is not a de Polignac number, because 1124201403221 - 2²² = 1124197208917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1124201402221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4154165 + ... + 4416501.

It is an arithmetic number, because the mean of its divisors is an integer number (101448596811).

Almost surely, 2^{1124201403221} is an apocalyptic number.

It is an amenable number.

1124201403221 is a deficient number, since it is larger than the sum of its proper divisors (93181758511).

1124201403221 is a wasteful number, since it uses less digits than its factorization.

1124201403221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287720 (or 287707 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 1124201403221 its reverse (1223041024211), we get a palindrome (2347242427432).

The spelling of 1124201403221 in words is "one trillion, one hundred twenty-four billion, two hundred one million, four hundred three thousand, two hundred twenty-one".