11221100221151 has 2 divisors, whose sum is σ = 11221100221152. Its totient is φ = 11221100221150.

The previous prime is 11221100221091. The next prime is 11221100221189. The reversal of 11221100221151 is 15112200112211.

It is a strong prime.

It is an emirp because it is prime and its reverse (15112200112211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11221100221151 - 2⁶ = 11221100221087 is a prime.

It is a super-2 number, since 2×11221100221151² (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 (11241100221151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610550110575 + 5610550110576.

It is an arithmetic number, because the mean of its divisors is an integer number (5610550110576).

Almost surely, 2^{11221100221151} is an apocalyptic number.

11221100221151 is a deficient number, since it is larger than the sum of its proper divisors (1).

11221100221151 is an equidigital number, since it uses as much as digits as its factorization.

11221100221151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80, while the sum is 20.

Adding to 11221100221151 its reverse (15112200112211), we get a palindrome (26333300333362).

The spelling of 11221100221151 in words is "eleven trillion, two hundred twenty-one billion, one hundred million, two hundred twenty-one thousand, one hundred fifty-one".