122110210121101 has 4 divisors (see below), whose sum is σ = 122110248343932. Its totient is φ = 122110171898272.

The previous prime is 122110210121087. The next prime is 122110210121173. The reversal of 122110210121101 is 101121012011221.

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 117904285923876 + 4205924197225 = 10858374^2 + 2050835^2 .

It is a cyclic number.

It is not a de Polignac number, because 122110210121101 - 2³³ = 122101620186509 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 (122110210122101) 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, 13833520 + ... + 20870713.

It is an arithmetic number, because the mean of its divisors is an integer number (30527562085983).

Almost surely, 2^{122110210121101} is an apocalyptic number.

It is an amenable number.

122110210121101 is a deficient number, since it is larger than the sum of its proper divisors (38222831).

122110210121101 is an equidigital number, since it uses as much as digits as its factorization.

122110210121101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38222830.

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

Adding to 122110210121101 its reverse (101121012011221), we get a palindrome (223231222132322).

The spelling of 122110210121101 in words is "one hundred twenty-two trillion, one hundred ten billion, two hundred ten million, one hundred twenty-one thousand, one hundred one".