122220011211 has 32 divisors (see below), whose sum is σ = 172972400640. Its totient is φ = 76546197504.

The previous prime is 122220011189. The next prime is 122220011219. The reversal of 122220011211 is 112110022221.

It is not a de Polignac number, because 122220011211 - 2⁹ = 122220010699 is a prime.

It is a super-2 number, since 2×122220011211² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122220011219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26152171 + ... + 26156843.

It is an arithmetic number, because the mean of its divisors is an integer number (5405387520).

Almost surely, 2^122220011211 is an apocalyptic number.

122220011211 is a deficient number, since it is larger than the sum of its proper divisors (50752389429).

122220011211 is a wasteful number, since it uses less digits than its factorization.

122220011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8435.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 122220011211 its reverse (112110022221), we get a palindrome (234330033432).

The spelling of 122220011211 in words is "one hundred twenty-two billion, two hundred twenty million, eleven thousand, two hundred eleven".