122211331 has 18 divisors (see below), whose sum is σ = 138936588. Its totient is φ = 107415000.

The previous prime is 122211319. The next prime is 122211347. The reversal of 122211331 is 133112221.

It is not a de Polignac number, because 122211331 - 2¹³ = 122203139 is a prime.

It is a super-2 number, since 2×122211331² = 29871218849583122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122211301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 115756 + ... + 116806.

Almost surely, 2^122211331 is an apocalyptic number.

122211331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122211331 is a deficient number, since it is larger than the sum of its proper divisors (16725257).

122211331 is a wasteful number, since it uses less digits than its factorization.

122211331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135 (or 1093 counting only the distinct ones).

The product of its digits is 72, while the sum is 16.

The square root of 122211331 is about 11054.9233828191. The cubic root of 122211331 is about 496.2537763842.

Adding to 122211331 its reverse (133112221), we get a palindrome (255323552).

The spelling of 122211331 in words is "one hundred twenty-two million, two hundred eleven thousand, three hundred thirty-one".