11101011211201 has 2 divisors, whose sum is σ = 11101011211202. Its totient is φ = 11101011211200.

The previous prime is 11101011211181. The next prime is 11101011211223. The reversal of 11101011211201 is 10211211010111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8013343716225 + 3087667494976 = 2830785^2 + 1757176^2 .

It is a cyclic number.

It is not a de Polignac number, because 11101011211201 - 2¹¹ = 11101011209153 is a prime.

It is a super-3 number, since 3×11101011211201³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (11101011211231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550505605600 + 5550505605601.

It is an arithmetic number, because the mean of its divisors is an integer number (5550505605601).

Almost surely, 2^{11101011211201} is an apocalyptic number.

It is an amenable number.

11101011211201 is a deficient number, since it is larger than the sum of its proper divisors (1).

11101011211201 is an equidigital number, since it uses as much as digits as its factorization.

11101011211201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 11101011211201 its reverse (10211211010111), we get a palindrome (21312222221312).

The spelling of 11101011211201 in words is "eleven trillion, one hundred one billion, eleven million, two hundred eleven thousand, two hundred one".