11222160506161 has 48 divisors (see below), whose sum is σ = 12931383988224. Its totient is φ = 9640058120000.

The previous prime is 11222160506147. The next prime is 11222160506177. The reversal of 11222160506161 is 16160506122211.

It is not a de Polignac number, because 11222160506161 - 2¹⁵ = 11222160473393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11222160506101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1205253696 + ... + 1205263006.

It is an arithmetic number, because the mean of its divisors is an integer number (269403833088).

Almost surely, 2^{11222160506161} is an apocalyptic number.

11222160506161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11222160506161 is a deficient number, since it is larger than the sum of its proper divisors (1709223482063).

11222160506161 is a wasteful number, since it uses less digits than its factorization.

11222160506161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10014 (or 9913 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 34.

Adding to 11222160506161 its reverse (16160506122211), we get a palindrome (27382666628372).

It can be divided in two parts, 1122216050 and 6161, that added together give a palindrome (1122222211).

The spelling of 11222160506161 in words is "eleven trillion, two hundred twenty-two billion, one hundred sixty million, five hundred six thousand, one hundred sixty-one".