1123421244111 has 6 divisors (see below), whose sum is σ = 1622719574840. Its totient is φ = 748947496068.

The previous prime is 1123421244107. The next prime is 1123421244131. The reversal of 1123421244111 is 1114421243211.

1123421244111 is a `hidden beast` number, since 1 + 1 + 2 + 3 + 4 + 212 + 441 + 1 + 1 = 666.

It is not a de Polignac number, because 1123421244111 - 2² = 1123421244107 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 (1123421244131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62412291331 + ... + 62412291348.

Almost surely, 2^{1123421244111} is an apocalyptic number.

1123421244111 is a deficient number, since it is larger than the sum of its proper divisors (499298330729).

1123421244111 is a wasteful number, since it uses less digits than its factorization.

1123421244111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124824582685 (or 124824582682 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

Adding to 1123421244111 its reverse (1114421243211), we get a palindrome (2237842487322).

The spelling of 1123421244111 in words is "one trillion, one hundred twenty-three billion, four hundred twenty-one million, two hundred forty-four thousand, one hundred eleven".