11213211332501 has 2 divisors, whose sum is σ = 11213211332502. Its totient is φ = 11213211332500.

The previous prime is 11213211332347. The next prime is 11213211332527. The reversal of 11213211332501 is 10523311231211.

It is a happy number.

It is an a-pointer prime, because the next prime (11213211332527) can be obtained adding 11213211332501 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10922701112401 + 290510220100 = 3304951^2 + 538990^2 .

It is a cyclic number.

It is not a de Polignac number, because 11213211332501 - 2¹⁰ = 11213211331477 is a prime.

It is a super-2 number, since 2×11213211332501² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11213211392501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606605666250 + 5606605666251.

It is an arithmetic number, because the mean of its divisors is an integer number (5606605666251).

Almost surely, 2^{11213211332501} is an apocalyptic number.

It is an amenable number.

11213211332501 is a deficient number, since it is larger than the sum of its proper divisors (1).

11213211332501 is an equidigital number, since it uses as much as digits as its factorization.

11213211332501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 26.

Adding to 11213211332501 its reverse (10523311231211), we get a palindrome (21736522563712).

The spelling of 11213211332501 in words is "eleven trillion, two hundred thirteen billion, two hundred eleven million, three hundred thirty-two thousand, five hundred one".