210122021102101 has 4 divisors (see below), whose sum is σ = 216900150815104. Its totient is φ = 203343891389100.

The previous prime is 210122021102099. The next prime is 210122021102131. The reversal of 210122021102101 is 101201120221012.

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 210122021102101 - 2¹ = 210122021102099 is a prime.

It is a super-2 number, since 2×210122021102101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210122021102131) 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, 3389064856455 + ... + 3389064856516.

It is an arithmetic number, because the mean of its divisors is an integer number (54225037703776).

Almost surely, 2^{210122021102101} is an apocalyptic number.

It is an amenable number.

210122021102101 is a deficient number, since it is larger than the sum of its proper divisors (6778129713003).

210122021102101 is an equidigital number, since it uses as much as digits as its factorization.

210122021102101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6778129713002.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 210122021102101 its reverse (101201120221012), we get a palindrome (311323141323113).

The spelling of 210122021102101 in words is "two hundred ten trillion, one hundred twenty-two billion, twenty-one million, one hundred two thousand, one hundred one".