1102122442 has 4 divisors (see below), whose sum is σ = 1653183666. Its totient is φ = 551061220.

The previous prime is 1102122347. The next prime is 1102122451. The reversal of 1102122442 is 2442212011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2442212011 = 38729 ⋅63059.

It can be written as a sum of positive squares in only one way, i.e., 992313001 + 109809441 = 31501^2 + 10479^2 .

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, 275530609 + ... + 275530612.

Almost surely, 2^1102122442 is an apocalyptic number.

1102122442 is a deficient number, since it is larger than the sum of its proper divisors (551061224).

1102122442 is an equidigital number, since it uses as much as digits as its factorization.

1102122442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551061223.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1102122442 is about 33198.2295009839. The cubic root of 1102122442 is about 1032.9436145587.

Adding to 1102122442 its reverse (2442212011), we get a palindrome (3544334453).

The spelling of 1102122442 in words is "one billion, one hundred two million, one hundred twenty-two thousand, four hundred forty-two".