11222062121 has 2 divisors, whose sum is σ = 11222062122. Its totient is φ = 11222062120.

The previous prime is 11222062109. The next prime is 11222062129. The reversal of 11222062121 is 12126022211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10161648025 + 1060414096 = 100805^2 + 32564^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11222062121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11222062093 and 11222062102.

It is not a weakly prime, because it can be changed into another prime (11222062129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611031060 + 5611031061.

It is an arithmetic number, because the mean of its divisors is an integer number (5611031061).

Almost surely, 2^11222062121 is an apocalyptic number.

It is an amenable number.

11222062121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11222062121 is an equidigital number, since it uses as much as digits as its factorization.

11222062121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 11222062121 its reverse (12126022211), we get a palindrome (23348084332).

The spelling of 11222062121 in words is "eleven billion, two hundred twenty-two million, sixty-two thousand, one hundred twenty-one".