11117212070 has 32 divisors (see below), whose sum is σ = 20140552800. Its totient is φ = 4418136576.

The previous prime is 11117212061. The next prime is 11117212079. The reversal of 11117212070 is 7021271111.

It is an interprime number because it is at equal distance from previous prime (11117212061) and next prime (11117212079).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11117212079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2856686 + ... + 2860574.

It is an arithmetic number, because the mean of its divisors is an integer number (629392275).

Almost surely, 2^11117212070 is an apocalyptic number.

11117212070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11117212070 is a deficient number, since it is larger than the sum of its proper divisors (9023340730).

11117212070 is a wasteful number, since it uses less digits than its factorization.

11117212070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5672.

The product of its (nonzero) digits is 196, while the sum is 23.

Adding to 11117212070 its reverse (7021271111), we get a palindrome (18138483181).

The spelling of 11117212070 in words is "eleven billion, one hundred seventeen million, two hundred twelve thousand, seventy".