11213123070 has 48 divisors (see below), whose sum is σ = 28132472592. Its totient is φ = 2860154880.

The previous prime is 11213123059. The next prime is 11213123071. The reversal of 11213123070 is 7032131211.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11213123071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 337411 + ... + 369150.

It is an arithmetic number, because the mean of its divisors is an integer number (586093179).

Almost surely, 2^11213123070 is an apocalyptic number.

11213123070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11213123070 is an abundant number, since it is smaller than the sum of its proper divisors (16919349522).

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

11213123070 is a wasteful number, since it uses less digits than its factorization.

11213123070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706617 (or 706594 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 21.

Adding to 11213123070 its reverse (7032131211), we get a palindrome (18245254281).

The spelling of 11213123070 in words is "eleven billion, two hundred thirteen million, one hundred twenty-three thousand, seventy".