11220100102021 has 2 divisors, whose sum is σ = 11220100102022. Its totient is φ = 11220100102020.

The previous prime is 11220100102007. The next prime is 11220100102049. The reversal of 11220100102021 is 12020100102211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5777840993796 + 5442259108225 = 2403714^2 + 2332865^2 .

It is a cyclic number.

It is not a de Polignac number, because 11220100102021 - 2²⁹ = 11219563231109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11220100101992 and 11220100102010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11220200102021) 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, 5610050051010 + 5610050051011.

It is an arithmetic number, because the mean of its divisors is an integer number (5610050051011).

Almost surely, 2^{11220100102021} is an apocalyptic number.

It is an amenable number.

11220100102021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11220100102021 is an equidigital number, since it uses as much as digits as its factorization.

11220100102021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11220100102021 its reverse (12020100102211), we get a palindrome (23240200204232).

The spelling of 11220100102021 in words is "eleven trillion, two hundred twenty billion, one hundred million, one hundred two thousand, twenty-one".