1123421244402 has 32 divisors (see below), whose sum is σ = 2250531831744. Its totient is φ = 373859006400.

The previous prime is 1123421244391. The next prime is 1123421244431. The reversal of 1123421244402 is 2044421243211.

It is a self number, because there is not a number n which added to its sum of digits gives 1123421244402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44291508 + ... + 44316864.

It is an arithmetic number, because the mean of its divisors is an integer number (70329119742).

Almost surely, 2^{1123421244402} is an apocalyptic number.

1123421244402 is an abundant number, since it is smaller than the sum of its proper divisors (1127110587342).

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

1123421244402 is a wasteful number, since it uses less digits than its factorization.

1123421244402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37194.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 1123421244402 its reverse (2044421243211), we get a palindrome (3167842487613).

The spelling of 1123421244402 in words is "one trillion, one hundred twenty-three billion, four hundred twenty-one million, two hundred forty-four thousand, four hundred two".