11112212210101 has 2 divisors, whose sum is σ = 11112212210102. Its totient is φ = 11112212210100.

The previous prime is 11112212210093. The next prime is 11112212210131. The reversal of 11112212210101 is 10101221221111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10582627079025 + 529585131076 = 3253095^2 + 727726^2 .

It is a cyclic number.

It is not a de Polignac number, because 11112212210101 - 2³ = 11112212210093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11112212210131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556106105050 + 5556106105051.

It is an arithmetic number, because the mean of its divisors is an integer number (5556106105051).

Almost surely, 2^{11112212210101} is an apocalyptic number.

It is an amenable number.

11112212210101 is a deficient number, since it is larger than the sum of its proper divisors (1).

11112212210101 is an equidigital number, since it uses as much as digits as its factorization.

11112212210101 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 16.

Adding to 11112212210101 its reverse (10101221221111), we get a palindrome (21213433431212).

The spelling of 11112212210101 in words is "eleven trillion, one hundred twelve billion, two hundred twelve million, two hundred ten thousand, one hundred one".