210020102200121 has 8 divisors (see below), whose sum is σ = 210455192829024. Its totient is φ = 209585459890080.

The previous prime is 210020102200109. The next prime is 210020102200123. The reversal of 210020102200121 is 121002201020012.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210020102200121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210020102200096 and 210020102200105.

It is not an unprimeable number, because it can be changed into a prime (210020102200123) 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, 111141815 + ... + 113015676.

It is an arithmetic number, because the mean of its divisors is an integer number (26306899103628).

Almost surely, 2^{210020102200121} is an apocalyptic number.

It is an amenable number.

210020102200121 is a deficient number, since it is larger than the sum of its proper divisors (435090628903).

210020102200121 is a wasteful number, since it uses less digits than its factorization.

210020102200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224159431.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 210020102200121 its reverse (121002201020012), we get a palindrome (331022303220133).

The spelling of 210020102200121 in words is "two hundred ten trillion, twenty billion, one hundred two million, two hundred thousand, one hundred twenty-one".