11212202222101 has 2 divisors, whose sum is σ = 11212202222102. Its totient is φ = 11212202222100.

The previous prime is 11212202222069. The next prime is 11212202222129. The reversal of 11212202222101 is 10122220221211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8499178162225 + 2713024059876 = 2915335^2 + 1647126^2 .

It is a cyclic number.

It is not a de Polignac number, because 11212202222101 - 2⁵ = 11212202222069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11212202222171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606101111050 + 5606101111051.

It is an arithmetic number, because the mean of its divisors is an integer number (5606101111051).

Almost surely, 2^{11212202222101} is an apocalyptic number.

It is an amenable number.

11212202222101 is a deficient number, since it is larger than the sum of its proper divisors (1).

11212202222101 is an equidigital number, since it uses as much as digits as its factorization.

11212202222101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11212202222101 its reverse (10122220221211), we get a palindrome (21334422443312).

The spelling of 11212202222101 in words is "eleven trillion, two hundred twelve billion, two hundred two million, two hundred twenty-two thousand, one hundred one".