12122201111022 has 12 divisors (see below), whose sum is σ = 26264769073920. Its totient is φ = 4040733703668.

The previous prime is 12122201111021. The next prime is 12122201111039. The reversal of 12122201111022 is 22011110222121.

It is a super-2 number, since 2×12122201111022² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 673455617279 = 12122201111022 / (1 + 2 + 1 + 2 + 2 + 2 + 0 + 1 + 1 + 1 + 1 + 0 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 12122201110986 and 12122201111004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122201111021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 336727808622 + ... + 336727808657.

It is an arithmetic number, because the mean of its divisors is an integer number (2188730756160).

Almost surely, 2^{12122201111022} is an apocalyptic number.

12122201111022 is an abundant number, since it is smaller than the sum of its proper divisors (14142567962898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12122201111022 is a wasteful number, since it uses less digits than its factorization.

12122201111022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673455617287 (or 673455617284 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12122201111022 its reverse (22011110222121), we get a palindrome (34133311333143).

The spelling of 12122201111022 in words is "twelve trillion, one hundred twenty-two billion, two hundred one million, one hundred eleven thousand, twenty-two".