11112202120001 has 2 divisors, whose sum is σ = 11112202120002. Its totient is φ = 11112202120000.

The previous prime is 11112202119937. The next prime is 11112202120037. The reversal of 11112202120001 is 10002120221111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8736753640000 + 2375448480001 = 2955800^2 + 1541249^2 .

It is a cyclic number.

It is not a de Polignac number, because 11112202120001 - 2⁶ = 11112202119937 is a prime.

It is not a weakly prime, because it can be changed into another prime (11112202120091) 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, 5556101060000 + 5556101060001.

It is an arithmetic number, because the mean of its divisors is an integer number (5556101060001).

Almost surely, 2^{11112202120001} is an apocalyptic number.

It is an amenable number.

11112202120001 is a deficient number, since it is larger than the sum of its proper divisors (1).

11112202120001 is an equidigital number, since it uses as much as digits as its factorization.

11112202120001 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 14.

Adding to 11112202120001 its reverse (10002120221111), we get a palindrome (21114322341112).

The spelling of 11112202120001 in words is "eleven trillion, one hundred twelve billion, two hundred two million, one hundred twenty thousand, one".