1042220213011 has 2 divisors, whose sum is σ = 1042220213012. Its totient is φ = 1042220213010.

The previous prime is 1042220212981. The next prime is 1042220213053. The reversal of 1042220213011 is 1103120222401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1042220213011 - 2⁷ = 1042220212883 is a prime.

It is a super-2 number, since 2×1042220213011² (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 1042220213011.

It is not a weakly prime, because it can be changed into another prime (1042220213611) 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 as a sum of consecutive naturals, namely, 521110106505 + 521110106506.

It is an arithmetic number, because the mean of its divisors is an integer number (521110106506).

Almost surely, 2^{1042220213011} is an apocalyptic number.

1042220213011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042220213011 is an equidigital number, since it uses as much as digits as its factorization.

1042220213011 is an odious number, because the sum of its binary digits is odd.

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

Adding to 1042220213011 its reverse (1103120222401), we get a palindrome (2145340435412).

The spelling of 1042220213011 in words is "one trillion, forty-two billion, two hundred twenty million, two hundred thirteen thousand, eleven".