1110221142 has 32 divisors (see below), whose sum is σ = 2357683200. Its totient is φ = 347323008.

The previous prime is 1110221141. The next prime is 1110221143. The reversal of 1110221142 is 2411220111.

It is an interprime number because it is at equal distance from previous prime (1110221141) and next prime (1110221143).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110221141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21459 + ... + 51777.

It is an arithmetic number, because the mean of its divisors is an integer number (73677600).

Almost surely, 2^1110221142 is an apocalyptic number.

1110221142 is an abundant number, since it is smaller than the sum of its proper divisors (1247462058).

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

1110221142 is a wasteful number, since it uses less digits than its factorization.

1110221142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30700.

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 1110221142 is about 33319.9811224436. The cubic root of 1110221142 is about 1035.4675606912.

Adding to 1110221142 its reverse (2411220111), we get a palindrome (3521441253).

The spelling of 1110221142 in words is "one billion, one hundred ten million, two hundred twenty-one thousand, one hundred forty-two".