1101220234 has 4 divisors (see below), whose sum is σ = 1651830354. Its totient is φ = 550610116.

The previous prime is 1101220193. The next prime is 1101220247. The reversal of 1101220234 is 4320221011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4320221011 = 599 ⋅7212389.

It can be written as a sum of positive squares in only one way, i.e., 699338025 + 401882209 = 26445^2 + 20047^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275305057 + ... + 275305060.

Almost surely, 2^1101220234 is an apocalyptic number.

1101220234 is a deficient number, since it is larger than the sum of its proper divisors (550610120).

1101220234 is an equidigital number, since it uses as much as digits as its factorization.

1101220234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550610119.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1101220234 is about 33184.6385244739. The cubic root of 1101220234 is about 1032.6616784300.

Adding to 1101220234 its reverse (4320221011), we get a palindrome (5421441245).

The spelling of 1101220234 in words is "one billion, one hundred one million, two hundred twenty thousand, two hundred thirty-four".