1101020222 has 4 divisors (see below), whose sum is σ = 1651530336. Its totient is φ = 550510110.

The previous prime is 1101020213. The next prime is 1101020233. The reversal of 1101020222 is 2220201011.

It is a happy number.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 275255054 + ... + 275255057.

It is an arithmetic number, because the mean of its divisors is an integer number (412882584).

Almost surely, 2^1101020222 is an apocalyptic number.

1101020222 is a deficient number, since it is larger than the sum of its proper divisors (550510114).

1101020222 is an equidigital number, since it uses as much as digits as its factorization.

1101020222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550510113.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1101020222 is about 33181.6247643180. The cubic root of 1101020222 is about 1032.5991546867.

Adding to 1101020222 its reverse (2220201011), we get a palindrome (3321221233).

The spelling of 1101020222 in words is "one billion, one hundred one million, twenty thousand, two hundred twenty-two".