1011020022011 has 2 divisors, whose sum is σ = 1011020022012. Its totient is φ = 1011020022010.

The previous prime is 1011020021987. The next prime is 1011020022073. The reversal of 1011020022011 is 1102200201101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1011020022011 - 2³⁸ = 736142115067 is a prime.

It is a super-2 number, since 2×1011020022011² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1011020021983 and 1011020022001.

It is not a weakly prime, because it can be changed into another prime (1011020022211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505510011005 + 505510011006.

It is an arithmetic number, because the mean of its divisors is an integer number (505510011006).

Almost surely, 2^{1011020022011} is an apocalyptic number.

1011020022011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011020022011 is an equidigital number, since it uses as much as digits as its factorization.

1011020022011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1011020022011 its reverse (1102200201101), we get a palindrome (2113220223112).

The spelling of 1011020022011 in words is "one trillion, eleven billion, twenty million, twenty-two thousand, eleven".