1100220122 has 4 divisors (see below), whose sum is σ = 1650330186. Its totient is φ = 550110060.

The previous prime is 1100220119. The next prime is 1100220131. The reversal of 1100220122 is 2210220011.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 1020099721 + 80120401 = 31939^2 + 8951^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275055029 + ... + 275055032.

Almost surely, 2^1100220122 is an apocalyptic number.

1100220122 is a deficient number, since it is larger than the sum of its proper divisors (550110064).

1100220122 is an equidigital number, since it uses as much as digits as its factorization.

1100220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550110063.

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

The square root of 1100220122 is about 33169.5662015650. The cubic root of 1100220122 is about 1032.3489677013.

Adding to 1100220122 its reverse (2210220011), we get a palindrome (3310440133).

The spelling of 1100220122 in words is "one billion, one hundred million, two hundred twenty thousand, one hundred twenty-two".