11215124102 has 32 divisors (see below), whose sum is σ = 20711921664. Its totient is φ = 4435236000.

The previous prime is 11215124099. The next prime is 11215124113. The reversal of 11215124102 is 20142151211.

11215124102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11215124102² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 630227 + ... + 647777.

It is an arithmetic number, because the mean of its divisors is an integer number (647247552).

Almost surely, 2^11215124102 is an apocalyptic number.

11215124102 is a deficient number, since it is larger than the sum of its proper divisors (9496797562).

11215124102 is a wasteful number, since it uses less digits than its factorization.

11215124102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21084.

The product of its (nonzero) digits is 160, while the sum is 20.

Adding to 11215124102 its reverse (20142151211), we get a palindrome (31357275313).

The spelling of 11215124102 in words is "eleven billion, two hundred fifteen million, one hundred twenty-four thousand, one hundred two".