122210111212211 has 8 divisors (see below), whose sum is σ = 134640122524848. Its totient is φ = 110000100100000.

The previous prime is 122210111212207. The next prime is 122210111212229. The reversal of 122210111212211 is 112212111012221.

It is a happy number.

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

It is not a de Polignac number, because 122210111212211 - 2² = 122210111212207 is a prime.

It is a super-2 number, since 2×122210111212211² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122210111212271) 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, 55000048940 + ... + 55000051161.

It is an arithmetic number, because the mean of its divisors is an integer number (16830015315606).

Almost surely, 2^{122210111212211} is an apocalyptic number.

122210111212211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122210111212211 is a deficient number, since it is larger than the sum of its proper divisors (12430011312637).

122210111212211 is a wasteful number, since it uses less digits than its factorization.

122210111212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110000100213.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 122210111212211 its reverse (112212111012221), we get a palindrome (234422222224432).

The spelling of 122210111212211 in words is "one hundred twenty-two trillion, two hundred ten billion, one hundred eleven million, two hundred twelve thousand, two hundred eleven".