122222210112101 has 4 divisors (see below), whose sum is σ = 133333320122304. Its totient is φ = 111111100101900.

The previous prime is 122222210112071. The next prime is 122222210112127. The reversal of 122222210112101 is 101211012222221.

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 122222210112101 - 2³⁴ = 122205030242917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122222210112161) 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, 5555555005085 + ... + 5555555005106.

It is an arithmetic number, because the mean of its divisors is an integer number (33333330030576).

Almost surely, 2^{122222210112101} is an apocalyptic number.

122222210112101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122222210112101 is a deficient number, since it is larger than the sum of its proper divisors (11111110010203).

122222210112101 is a wasteful number, since it uses less digits than its factorization.

122222210112101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11111110010202.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 122222210112101 its reverse (101211012222221), we get a palindrome (223433222334322).

The spelling of 122222210112101 in words is "one hundred twenty-two trillion, two hundred twenty-two billion, two hundred ten million, one hundred twelve thousand, one hundred one".