100212122195 has 16 divisors (see below), whose sum is σ = 123529697760. Its totient is φ = 77987142144.

The previous prime is 100212122191. The next prime is 100212122221. The reversal of 100212122195 is 591221212001.

It is a cyclic number.

It is not a de Polignac number, because 100212122195 - 2² = 100212122191 is a prime.

It is a super-2 number, since 2×100212122195² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100212122191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 905819 + ... + 1010411.

It is an arithmetic number, because the mean of its divisors is an integer number (7720606110).

Almost surely, 2^100212122195 is an apocalyptic number.

100212122195 is a deficient number, since it is larger than the sum of its proper divisors (23317575565).

100212122195 is a wasteful number, since it uses less digits than its factorization.

100212122195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109814.

The product of its (nonzero) digits is 720, while the sum is 26.

Adding to 100212122195 its reverse (591221212001), we get a palindrome (691433334196).

The spelling of 100212122195 in words is "one hundred billion, two hundred twelve million, one hundred twenty-two thousand, one hundred ninety-five".