1021100022011 has 2 divisors, whose sum is σ = 1021100022012. Its totient is φ = 1021100022010.

The previous prime is 1021100021989. The next prime is 1021100022017. The reversal of 1021100022011 is 1102200011201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1021100022011 - 2¹⁰ = 1021100020987 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1021100021983 and 1021100022001.

It is not a weakly prime, because it can be changed into another prime (1021100022017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510550011005 + 510550011006.

It is an arithmetic number, because the mean of its divisors is an integer number (510550011006).

Almost surely, 2^{1021100022011} is an apocalyptic number.

1021100022011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021100022011 is an equidigital number, since it uses as much as digits as its factorization.

1021100022011 is an odious number, because the sum of its binary digits is odd.

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

Adding to 1021100022011 its reverse (1102200011201), we get a palindrome (2123300033212).

The spelling of 1021100022011 in words is "one trillion, twenty-one billion, one hundred million, twenty-two thousand, eleven".