122122101210101 has 4 divisors (see below), whose sum is σ = 122141731838604. Its totient is φ = 122102470581600.

The previous prime is 122122101210089. The next prime is 122122101210127. The reversal of 122122101210101 is 101012101221221.

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 49765829160100 + 72356272050001 = 7054490^2 + 8506249^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122122101210101 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 122122101210101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122122101210191) 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, 9815304920 + ... + 9815317361.

It is an arithmetic number, because the mean of its divisors is an integer number (30535432959651).

Almost surely, 2^{122122101210101} is an apocalyptic number.

It is an amenable number.

122122101210101 is a deficient number, since it is larger than the sum of its proper divisors (19630628503).

122122101210101 is an equidigital number, since it uses as much as digits as its factorization.

122122101210101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19630628502.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 122122101210101 its reverse (101012101221221), we get a palindrome (223134202431322).

The spelling of 122122101210101 in words is "one hundred twenty-two trillion, one hundred twenty-two billion, one hundred one million, two hundred ten thousand, one hundred one".