111123124421002 has 16 divisors (see below), whose sum is σ = 176523215273352. Its totient is φ = 52283295147520.

The previous prime is 111123124420939. The next prime is 111123124421011. The reversal of 111123124421002 is 200124421321111.

It can be written as a sum of positive squares in 4 ways, for example, as 110504477676321 + 618646744681 = 10512111^2 + 786541^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310439563 + ... + 310797310.

Almost surely, 2^{111123124421002} is an apocalyptic number.

111123124421002 is a deficient number, since it is larger than the sum of its proper divisors (65400090852350).

111123124421002 is a wasteful number, since it uses less digits than its factorization.

111123124421002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621242153.

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 111123124421002 its reverse (200124421321111), we get a palindrome (311247545742113).

The spelling of 111123124421002 in words is "one hundred eleven trillion, one hundred twenty-three billion, one hundred twenty-four million, four hundred twenty-one thousand, two".