1122210201222 has 128 divisors (see below), whose sum is σ = 2792074199040. Its totient is φ = 331233588000.

The previous prime is 1122210201221. The next prime is 1122210201247. The reversal of 1122210201222 is 2221020122211.

It is a happy number.

1122210201222 is a `hidden beast` number, since 11 + 22 + 210 + 201 + 222 = 666.

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 = 1122210201195 and 1122210201204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122210201221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3340147 + ... + 3660737.

It is an arithmetic number, because the mean of its divisors is an integer number (21813079680).

Almost surely, 2^{1122210201222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1122210201222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1396037099520).

1122210201222 is an abundant number, since it is smaller than the sum of its proper divisors (1669863997818).

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

1122210201222 is a wasteful number, since it uses less digits than its factorization.

1122210201222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320767 (or 320761 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1122210201222 its reverse (2221020122211), we get a palindrome (3343230323433).

It can be divided in two parts, 11 and 22210201222, that multiplied together give a palindrome (244312213442).

The spelling of 1122210201222 in words is "one trillion, one hundred twenty-two billion, two hundred ten million, two hundred one thousand, two hundred twenty-two".