1123014004021 has 32 divisors (see below), whose sum is σ = 1452641863680. Its totient is φ = 843791788224.

The previous prime is 1123014004019. The next prime is 1123014004027. The reversal of 1123014004021 is 1204004103211.

It is not a de Polignac number, because 1123014004021 - 2¹ = 1123014004019 is a prime.

It is a super-2 number, since 2×1123014004021² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1123014004021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123014004027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1639135 + ... + 2220988.

It is an arithmetic number, because the mean of its divisors is an integer number (45395058240).

Almost surely, 2^{1123014004021} is an apocalyptic number.

It is an amenable number.

1123014004021 is a deficient number, since it is larger than the sum of its proper divisors (329627859659).

1123014004021 is a wasteful number, since it uses less digits than its factorization.

1123014004021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3860305.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1123014004021 its reverse (1204004103211), we get a palindrome (2327018107232).

The spelling of 1123014004021 in words is "one trillion, one hundred twenty-three billion, fourteen million, four thousand, twenty-one".