100215342051111 has 24 divisors (see below), whose sum is σ = 165442427150624. Its totient is φ = 57263287011840.

The previous prime is 100215342051079. The next prime is 100215342051137. The reversal of 100215342051111 is 111150243512001.

100215342051111 is a `hidden beast` number, since 1 + 0 + 0 + 215 + 3 + 420 + 5 + 11 + 11 = 666.

It is not a de Polignac number, because 100215342051111 - 2⁵ = 100215342051079 is a prime.

It is a super-2 number, since 2×100215342051111² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100215342051191) 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, 35039926 + ... + 37791891.

Almost surely, 2^{100215342051111} is an apocalyptic number.

100215342051111 is a deficient number, since it is larger than the sum of its proper divisors (65227085099513).

100215342051111 is a wasteful number, since it uses less digits than its factorization.

100215342051111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72853671 (or 72853668 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 27.

Adding to 100215342051111 its reverse (111150243512001), we get a palindrome (211365585563112).

The spelling of 100215342051111 in words is "one hundred trillion, two hundred fifteen billion, three hundred forty-two million, fifty-one thousand, one hundred eleven".