122222220211 has 8 divisors (see below), whose sum is σ = 150427348064. Its totient is φ = 96703295040.

The previous prime is 122222220209. The next prime is 122222220223. The reversal of 122222220211 is 112022222221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122222220211 - 2¹ = 122222220209 is a prime.

It is a super-2 number, since 2×122222220211² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122222220811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 671550570 + ... + 671550751.

It is an arithmetic number, because the mean of its divisors is an integer number (18803418508).

Almost surely, 2^122222220211 is an apocalyptic number.

122222220211 is a deficient number, since it is larger than the sum of its proper divisors (28205127853).

122222220211 is a wasteful number, since it uses less digits than its factorization.

122222220211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343101341.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 122222220211 its reverse (112022222221), we get a palindrome (234244442432).

The spelling of 122222220211 in words is "one hundred twenty-two billion, two hundred twenty-two million, two hundred twenty thousand, two hundred eleven".