102100121211103 has 4 divisors (see below), whose sum is σ = 102164053661800. Its totient is φ = 102036188760408.

The previous prime is 102100121211091. The next prime is 102100121211203. The reversal of 102100121211103 is 301112121001201.

It is a happy number.

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 102100121211103 - 2⁴¹ = 99901097955551 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 (102100121211203) 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, 31966222953 + ... + 31966226146.

It is an arithmetic number, because the mean of its divisors is an integer number (25541013415450).

Almost surely, 2^{102100121211103} is an apocalyptic number.

102100121211103 is a deficient number, since it is larger than the sum of its proper divisors (63932450697).

102100121211103 is an equidigital number, since it uses as much as digits as its factorization.

102100121211103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63932450696.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 102100121211103 its reverse (301112121001201), we get a palindrome (403212242212304).

The spelling of 102100121211103 in words is "one hundred two trillion, one hundred billion, one hundred twenty-one million, two hundred eleven thousand, one hundred three".