11221021122151 has 2 divisors, whose sum is σ = 11221021122152. Its totient is φ = 11221021122150.

The previous prime is 11221021122137. The next prime is 11221021122163. The reversal of 11221021122151 is 15122112012211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11221021122151 - 2³¹ = 11218873638503 is a prime.

It is a super-2 number, since 2×11221021122151² (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 (11221021122251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610510561075 + 5610510561076.

It is an arithmetic number, because the mean of its divisors is an integer number (5610510561076).

Almost surely, 2^{11221021122151} is an apocalyptic number.

11221021122151 is a deficient number, since it is larger than the sum of its proper divisors (1).

11221021122151 is an equidigital number, since it uses as much as digits as its factorization.

11221021122151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 22.

Adding to 11221021122151 its reverse (15122112012211), we get a palindrome (26343133134362).

The spelling of 11221021122151 in words is "eleven trillion, two hundred twenty-one billion, twenty-one million, one hundred twenty-two thousand, one hundred fifty-one".