100212012222101 has 4 divisors (see below), whose sum is σ = 107920628546892. Its totient is φ = 92503395897312.

The previous prime is 100212012222097. The next prime is 100212012222139. The reversal of 100212012222101 is 101222210212001.

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

It can be written as a sum of positive squares in 2 ways, for example, as 32202730815025 + 68009281407076 = 5674745^2 + 8246774^2 .

It is a cyclic number.

It is not a de Polignac number, because 100212012222101 - 2² = 100212012222097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100212012222101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100212012222181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3854308162376 + ... + 3854308162401.

It is an arithmetic number, because the mean of its divisors is an integer number (26980157136723).

Almost surely, 2^{100212012222101} is an apocalyptic number.

It is an amenable number.

100212012222101 is a deficient number, since it is larger than the sum of its proper divisors (7708616324791).

100212012222101 is an equidigital number, since it uses as much as digits as its factorization.

100212012222101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7708616324790.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 100212012222101 its reverse (101222210212001), we get a palindrome (201434222434102).

The spelling of 100212012222101 in words is "one hundred trillion, two hundred twelve billion, twelve million, two hundred twenty-two thousand, one hundred one".