1042221311043 has 32 divisors (see below), whose sum is σ = 1544488646400. Its totient is φ = 619811068800.

The previous prime is 1042221311029. The next prime is 1042221311051. The reversal of 1042221311043 is 3401131222401.

It is not a de Polignac number, because 1042221311043 - 2⁶ = 1042221310979 is a prime.

It is a super-2 number, since 2×1042221311043² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1042221311003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 225613 + ... + 1461281.

It is an arithmetic number, because the mean of its divisors is an integer number (48265270200).

Almost surely, 2^{1042221311043} is an apocalyptic number.

1042221311043 is a deficient number, since it is larger than the sum of its proper divisors (502267335357).

1042221311043 is a wasteful number, since it uses less digits than its factorization.

1042221311043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236163.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1042221311043 its reverse (3401131222401), we get a palindrome (4443352533444).

The spelling of 1042221311043 in words is "one trillion, forty-two billion, two hundred twenty-one million, three hundred eleven thousand, forty-three".