1101201222 has 64 divisors (see below), whose sum is σ = 2531782656. Its totient is φ = 316044960.

The previous prime is 1101201203. The next prime is 1101201263. The reversal of 1101201222 is 2221021011.

1101201222 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1101201198 and 1101201207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 152833 + ... + 159875.

It is an arithmetic number, because the mean of its divisors is an integer number (39559104).

Almost surely, 2^1101201222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1101201222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1265891328).

1101201222 is an abundant number, since it is smaller than the sum of its proper divisors (1430581434).

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

1101201222 is a wasteful number, since it uses less digits than its factorization.

1101201222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7185.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1101201222 is about 33184.3520653937. The cubic root of 1101201222 is about 1032.6557356052.

Adding to 1101201222 its reverse (2221021011), we get a palindrome (3322222233).

The spelling of 1101201222 in words is "one billion, one hundred one million, two hundred one thousand, two hundred twenty-two".