210022210122101 has 4 divisors (see below), whose sum is σ = 226177764746892. Its totient is φ = 193866655497312.

The previous prime is 210022210122071. The next prime is 210022210122107. The reversal of 210022210122101 is 101221012220012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 47675241135076 + 162346968987025 = 6904726^2 + 12741545^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210022210122101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 210022210122101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210022210122107) 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, 8077777312376 + ... + 8077777312401.

It is an arithmetic number, because the mean of its divisors is an integer number (56544441186723).

Almost surely, 2^{210022210122101} is an apocalyptic number.

It is an amenable number.

210022210122101 is a deficient number, since it is larger than the sum of its proper divisors (16155554624791).

210022210122101 is a wasteful number, since it uses less digits than its factorization.

210022210122101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16155554624790.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 210022210122101 its reverse (101221012220012), we get a palindrome (311243222342113).

The spelling of 210022210122101 in words is "two hundred ten trillion, twenty-two billion, two hundred ten million, one hundred twenty-two thousand, one hundred one".