1123332121002 has 64 divisors (see below), whose sum is σ = 2829430517760. Its totient is φ = 289373563584.

The previous prime is 1123332120929. The next prime is 1123332121013. The reversal of 1123332121002 is 2001212333211.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1123332121002.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23899602 + ... + 23946557.

It is an arithmetic number, because the mean of its divisors is an integer number (44209851840).

Almost surely, 2^{1123332121002} is an apocalyptic number.

1123332121002 is an abundant number, since it is smaller than the sum of its proper divisors (1706098396758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1123332121002 is a wasteful number, since it uses less digits than its factorization.

1123332121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47846227.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1123332121002 its reverse (2001212333211), we get a palindrome (3124544454213).

The spelling of 1123332121002 in words is "one trillion, one hundred twenty-three billion, three hundred thirty-two million, one hundred twenty-one thousand, two".