11112201015 has 16 divisors (see below), whose sum is σ = 18715286400. Its totient is φ = 5614585632.

The previous prime is 11112200993. The next prime is 11112201017. The reversal of 11112201015 is 51010221111.

It is not a de Polignac number, because 11112201015 - 2¹¹ = 11112198967 is a prime.

It is a super-2 number, since 2×11112201015² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 11112200985 and 11112201003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112201017) 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, 19494805 + ... + 19495374.

It is an arithmetic number, because the mean of its divisors is an integer number (1169705400).

Almost surely, 2^11112201015 is an apocalyptic number.

11112201015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11112201015 is a deficient number, since it is larger than the sum of its proper divisors (7603085385).

11112201015 is a wasteful number, since it uses less digits than its factorization.

11112201015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38990206.

The product of its (nonzero) digits is 20, while the sum is 15.

Adding to 11112201015 its reverse (51010221111), we get a palindrome (62122422126).

The spelling of 11112201015 in words is "eleven billion, one hundred twelve million, two hundred one thousand, fifteen".