1101022442 has 16 divisors (see below), whose sum is σ = 1883197512. Its totient is φ = 478272000.

The previous prime is 1101022421. The next prime is 1101022463. The reversal of 1101022442 is 2442201011.

It is an interprime number because it is at equal distance from previous prime (1101022421) and next prime (1101022463).

It can be written as a sum of positive squares in 4 ways, for example, as 1089726121 + 11296321 = 33011^2 + 3361^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 1101022442.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1245059 + ... + 1245942.

Almost surely, 2^1101022442 is an apocalyptic number.

1101022442 is a deficient number, since it is larger than the sum of its proper divisors (782175070).

1101022442 is a wasteful number, since it uses less digits than its factorization.

1101022442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2491033.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1101022442 is about 33181.6582165509. The cubic root of 1101022442 is about 1032.5998487002.

Adding to 1101022442 its reverse (2442201011), we get a palindrome (3543223453).

The spelling of 1101022442 in words is "one billion, one hundred one million, twenty-two thousand, four hundred forty-two".