1121223111331 has 8 divisors (see below), whose sum is σ = 1131111188784. Its totient is φ = 1111374195360.

The previous prime is 1121223111317. The next prime is 1121223111377. The reversal of 1121223111331 is 1331113221211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1121223111331 - 2¹¹ = 1121223109283 is a prime.

It is a super-2 number, since 2×1121223111331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121223111131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9732856 + ... + 9847381.

It is an arithmetic number, because the mean of its divisors is an integer number (141388898598).

Almost surely, 2^{1121223111331} is an apocalyptic number.

1121223111331 is a deficient number, since it is larger than the sum of its proper divisors (9888077453).

1121223111331 is a wasteful number, since it uses less digits than its factorization.

1121223111331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19580741.

The product of its digits is 216, while the sum is 22.

Adding to 1121223111331 its reverse (1331113221211), we get a palindrome (2452336332542).

The spelling of 1121223111331 in words is "one trillion, one hundred twenty-one billion, two hundred twenty-three million, one hundred eleven thousand, three hundred thirty-one".