11221223210101 has 2 divisors, whose sum is σ = 11221223210102. Its totient is φ = 11221223210100.

The previous prime is 11221223210081. The next prime is 11221223210123. The reversal of 11221223210101 is 10101232212211.

11221223210101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10069896356100 + 1151326854001 = 3173310^2 + 1072999^2 .

It is a cyclic number.

It is not a de Polignac number, because 11221223210101 - 2¹¹ = 11221223208053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11221223810101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610611605050 + 5610611605051.

It is an arithmetic number, because the mean of its divisors is an integer number (5610611605051).

Almost surely, 2^{11221223210101} is an apocalyptic number.

It is an amenable number.

11221223210101 is a deficient number, since it is larger than the sum of its proper divisors (1).

11221223210101 is an equidigital number, since it uses as much as digits as its factorization.

11221223210101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 11221223210101 its reverse (10101232212211), we get a palindrome (21322455422312).

The spelling of 11221223210101 in words is "eleven trillion, two hundred twenty-one billion, two hundred twenty-three million, two hundred ten thousand, one hundred one".