10122201111222 has 48 divisors (see below), whose sum is σ = 22573037318832. Its totient is φ = 3275754730560.

The previous prime is 10122201111203. The next prime is 10122201111223. The reversal of 10122201111222 is 22211110222101.

10122201111222 is a `hidden beast` number, since 10 + 122 + 201 + 111 + 222 = 666.

It is a super-2 number, since 2×10122201111222² (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).

It is a junction number, because it is equal to n+sod(n) for n = 10122201111195 and 10122201111204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10122201111223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16177248 + ... + 16791299.

It is an arithmetic number, because the mean of its divisors is an integer number (470271610809).

Almost surely, 2^{10122201111222} is an apocalyptic number.

10122201111222 is an abundant number, since it is smaller than the sum of its proper divisors (12450836207610).

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

10122201111222 is a wasteful number, since it uses less digits than its factorization.

10122201111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32969053 (or 32969050 counting only the distinct ones).

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

Adding to 10122201111222 its reverse (22211110222101), we get a palindrome (32333311333323).

The spelling of 10122201111222 in words is "ten trillion, one hundred twenty-two billion, two hundred one million, one hundred eleven thousand, two hundred twenty-two".