210100020121201 has 4 divisors (see below), whose sum is σ = 240114308709952. Its totient is φ = 180085731532452.

The previous prime is 210100020121163. The next prime is 210100020121249. The reversal of 210100020121201 is 102121020001012.

210100020121201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 210100020121201 - 2⁴³ = 201303927098993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210100020121001) 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, 15007144294365 + ... + 15007144294378.

It is an arithmetic number, because the mean of its divisors is an integer number (60028577177488).

Almost surely, 2^{210100020121201} is an apocalyptic number.

It is an amenable number.

210100020121201 is a deficient number, since it is larger than the sum of its proper divisors (30014288588751).

210100020121201 is an equidigital number, since it uses as much as digits as its factorization.

210100020121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30014288588750.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 210100020121201 its reverse (102121020001012), we get a palindrome (312221040122213).

The spelling of 210100020121201 in words is "two hundred ten trillion, one hundred billion, twenty million, one hundred twenty-one thousand, two hundred one".