210002021101121 has 4 divisors (see below), whose sum is σ = 210062038830000. Its totient is φ = 209942003372244.

The previous prime is 210002021101063. The next prime is 210002021101211. The reversal of 210002021101121 is 121101120200012.

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 cyclic number.

It is not a de Polignac number, because 210002021101121 - 2⁴² = 205603974590017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210002021101096 and 210002021101105.

It is not an unprimeable number, because it can be changed into a prime (210002021101421) 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, 30008859191 + ... + 30008866188.

It is an arithmetic number, because the mean of its divisors is an integer number (52515509707500).

Almost surely, 2^{210002021101121} is an apocalyptic number.

It is an amenable number.

210002021101121 is a deficient number, since it is larger than the sum of its proper divisors (60017728879).

210002021101121 is an equidigital number, since it uses as much as digits as its factorization.

210002021101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60017728878.

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

Adding to 210002021101121 its reverse (121101120200012), we get a palindrome (331103141301133).

The spelling of 210002021101121 in words is "two hundred ten trillion, two billion, twenty-one million, one hundred one thousand, one hundred twenty-one".