100215342051 has 16 divisors (see below), whose sum is σ = 145820928000. Its totient is φ = 60714421920.

The previous prime is 100215342013. The next prime is 100215342077. The reversal of 100215342051 is 150243512001.

It is a happy number.

It is not a de Polignac number, because 100215342051 - 2⁷ = 100215341923 is a prime.

It is a super-2 number, since 2×100215342051² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100215342001) 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, 461635 + ... + 643068.

It is an arithmetic number, because the mean of its divisors is an integer number (9113808000).

Almost surely, 2^100215342051 is an apocalyptic number.

100215342051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

100215342051 is a deficient number, since it is larger than the sum of its proper divisors (45605585949).

100215342051 is a wasteful number, since it uses less digits than its factorization.

100215342051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107466.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 100215342051 its reverse (150243512001), we get a palindrome (250458854052).

The spelling of 100215342051 in words is "one hundred billion, two hundred fifteen million, three hundred forty-two thousand, fifty-one".