100100212212106 has 4 divisors (see below), whose sum is σ = 150150318318162. Its totient is φ = 50050106106052.

The previous prime is 100100212212089. The next prime is 100100212212107. The reversal of 100100212212106 is 601212212001001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 75827435331025 + 24272776881081 = 8707895^2 + 4926741^2 .

It is not an unprimeable number, because it can be changed into a prime (100100212212107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25025053053025 + ... + 25025053053028.

Almost surely, 2^{100100212212106} is an apocalyptic number.

100100212212106 is a deficient number, since it is larger than the sum of its proper divisors (50050106106056).

100100212212106 is an equidigital number, since it uses as much as digits as its factorization.

100100212212106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50050106106055.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 100100212212106 its reverse (601212212001001), we get a palindrome (701312424213107).

The spelling of 100100212212106 in words is "one hundred trillion, one hundred billion, two hundred twelve million, two hundred twelve thousand, one hundred six".