1101021222 has 16 divisors (see below), whose sum is σ = 2516620032. Its totient is φ = 314577480.

The previous prime is 1101021217. The next prime is 1101021223. The reversal of 1101021222 is 2221201011.

It is a junction number, because it is equal to n+sod(n) for n = 1101021198 and 1101021207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101021223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13107354 + ... + 13107437.

It is an arithmetic number, because the mean of its divisors is an integer number (157288752).

Almost surely, 2^1101021222 is an apocalyptic number.

1101021222 is an abundant number, since it is smaller than the sum of its proper divisors (1415598810).

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

1101021222 is a wasteful number, since it uses less digits than its factorization.

1101021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26214803.

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

The square root of 1101021222 is about 33181.6398328955. The cubic root of 1101021222 is about 1032.5994673055.

Adding to 1101021222 its reverse (2221201011), we get a palindrome (3322222233).

The spelling of 1101021222 in words is "one billion, one hundred one million, twenty-one thousand, two hundred twenty-two".