210110220020101 has 4 divisors (see below), whose sum is σ = 210111239570112. Its totient is φ = 210109200470092.

The previous prime is 210110220020081. The next prime is 210110220020159. The reversal of 210110220020101 is 101020022011012.

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 210110220020101 - 2²⁹ = 210109683149189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210110220020171) 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, 509465821 + ... + 509878066.

It is an arithmetic number, because the mean of its divisors is an integer number (52527809892528).

Almost surely, 2^{210110220020101} is an apocalyptic number.

It is an amenable number.

210110220020101 is a deficient number, since it is larger than the sum of its proper divisors (1019550011).

210110220020101 is a wasteful number, since it uses less digits than its factorization.

210110220020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019550010.

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

Adding to 210110220020101 its reverse (101020022011012), we get a palindrome (311130242031113).

The spelling of 210110220020101 in words is "two hundred ten trillion, one hundred ten billion, two hundred twenty million, twenty thousand, one hundred one".