1102212342 has 96 divisors (see below), whose sum is σ = 2984117760. Its totient is φ = 285644160.

The previous prime is 1102212341. The next prime is 1102212343. The reversal of 1102212342 is 2432122011.

It is a happy number.

1102212342 is a `hidden beast` number, since 110 + 2 + 212 + 342 = 666.

1102212342 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1102212341) and next prime (1102212343).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102212341) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1120783 + ... + 1121765.

It is an arithmetic number, because the mean of its divisors is an integer number (31084560).

Almost surely, 2^1102212342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1102212342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1492058880).

1102212342 is an abundant number, since it is smaller than the sum of its proper divisors (1881905418).

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

1102212342 is a wasteful number, since it uses less digits than its factorization.

1102212342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1818 (or 1815 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1102212342 is about 33199.5834612424. The cubic root of 1102212342 is about 1032.9716994921.

Adding to 1102212342 its reverse (2432122011), we get a palindrome (3534334353).

It can be divided in two parts, 1102 and 212342, that added together give a square (213444 = 462²).

The spelling of 1102212342 in words is "one billion, one hundred two million, two hundred twelve thousand, three hundred forty-two".