1100213142 has 64 divisors (see below), whose sum is σ = 2630292480. Its totient is φ = 300539712.

The previous prime is 1100213131. The next prime is 1100213159. The reversal of 1100213142 is 2413120011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 509938 + ... + 512090.

It is an arithmetic number, because the mean of its divisors is an integer number (41098320).

Almost surely, 2^1100213142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1100213142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1315146240).

1100213142 is an abundant number, since it is smaller than the sum of its proper divisors (1530079338).

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

1100213142 is an equidigital number, since it uses as much as digits as its factorization.

1100213142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2234 (or 2188 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1100213142 is about 33169.4609844658. The cubic root of 1100213142 is about 1032.3467845591.

Adding to 1100213142 its reverse (2413120011), we get a palindrome (3513333153).

The spelling of 1100213142 in words is "one billion, one hundred million, two hundred thirteen thousand, one hundred forty-two".