100102210210121 has 4 divisors (see below), whose sum is σ = 114402525954432. Its totient is φ = 85801894465812.

The previous prime is 100102210210091. The next prime is 100102210210141. The reversal of 100102210210121 is 121012012201001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-100102210210121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100102210210096 and 100102210210105.

It is not an unprimeable number, because it can be changed into a prime (100102210210141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7150157872145 + ... + 7150157872158.

It is an arithmetic number, because the mean of its divisors is an integer number (28600631488608).

Almost surely, 2^{100102210210121} is an apocalyptic number.

It is an amenable number.

100102210210121 is a deficient number, since it is larger than the sum of its proper divisors (14300315744311).

100102210210121 is an equidigital number, since it uses as much as digits as its factorization.

100102210210121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14300315744310.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 100102210210121 its reverse (121012012201001), we get a palindrome (221114222411122).

The spelling of 100102210210121 in words is "one hundred trillion, one hundred two billion, two hundred ten million, two hundred ten thousand, one hundred twenty-one".