100121202202103 has 4 divisors (see below), whose sum is σ = 100142627672688. Its totient is φ = 100099776731520.

The previous prime is 100121202202097. The next prime is 100121202202129. The reversal of 100121202202103 is 301202202121001.

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

It is a cyclic number.

It is not a de Polignac number, because 100121202202103 - 2¹² = 100121202198007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100121202202163) 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, 10712728283 + ... + 10712737628.

It is an arithmetic number, because the mean of its divisors is an integer number (25035656918172).

Almost surely, 2^{100121202202103} is an apocalyptic number.

100121202202103 is a deficient number, since it is larger than the sum of its proper divisors (21425470585).

100121202202103 is an equidigital number, since it uses as much as digits as its factorization.

100121202202103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21425470584.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 100121202202103 its reverse (301202202121001), we get a palindrome (401323404323104).

The spelling of 100121202202103 in words is "one hundred trillion, one hundred twenty-one billion, two hundred two million, two hundred two thousand, one hundred three".