1101211222 has 16 divisors (see below), whose sum is σ = 1696412160. Its totient is φ = 535871848.

The previous prime is 1101211219. The next prime is 1101211231. The reversal of 1101211222 is 2221121011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15898 + ... + 49549.

It is an arithmetic number, because the mean of its divisors is an integer number (106025760).

Almost surely, 2^1101211222 is an apocalyptic number.

1101211222 is a deficient number, since it is larger than the sum of its proper divisors (595200938).

1101211222 is a wasteful number, since it uses less digits than its factorization.

1101211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65675.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1101211222 is about 33184.5027384772. The cubic root of 1101211222 is about 1032.6588614420.

Adding to 1101211222 its reverse (2221121011), we get a palindrome (3322332233).

The spelling of 1101211222 in words is "one billion, one hundred one million, two hundred eleven thousand, two hundred twenty-two".