210102111100121 has 8 divisors (see below), whose sum is σ = 210518787768000. Its totient is φ = 209685449736720.

The previous prime is 210102111100117. The next prime is 210102111100151. The reversal of 210102111100121 is 121001111201012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 210102111100121 - 2² = 210102111100117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210102111100096 and 210102111100105.

It is not an unprimeable number, because it can be changed into a prime (210102111100151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23855780 + ... + 31453178.

It is an arithmetic number, because the mean of its divisors is an integer number (26314848471000).

Almost surely, 2^{210102111100121} is an apocalyptic number.

It is an amenable number.

210102111100121 is a deficient number, since it is larger than the sum of its proper divisors (416676667879).

210102111100121 is an equidigital number, since it uses as much as digits as its factorization.

210102111100121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7652239.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 210102111100121 its reverse (121001111201012), we get a palindrome (331103222301133).

The spelling of 210102111100121 in words is "two hundred ten trillion, one hundred two billion, one hundred eleven million, one hundred thousand, one hundred twenty-one".