1011020022073 has 2 divisors, whose sum is σ = 1011020022074. Its totient is φ = 1011020022072.

The previous prime is 1011020022011. The next prime is 1011020022083. The reversal of 1011020022073 is 3702200201101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 883079316729 + 127940705344 = 939723^2 + 357688^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011020022073 - 2¹³ = 1011020013881 is a prime.

It is a super-2 number, since 2×1011020022073² (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 1011020022073.

It is not a weakly prime, because it can be changed into another prime (1011020022083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505510011036 + 505510011037.

It is an arithmetic number, because the mean of its divisors is an integer number (505510011037).

Almost surely, 2^{1011020022073} is an apocalyptic number.

It is an amenable number.

1011020022073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011020022073 is an equidigital number, since it uses as much as digits as its factorization.

1011020022073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 19.

Adding to 1011020022073 its reverse (3702200201101), we get a palindrome (4713220223174).

The spelling of 1011020022073 in words is "one trillion, eleven billion, twenty million, twenty-two thousand, seventy-three".