122011222010122 has 4 divisors (see below), whose sum is σ = 183016833015186. Its totient is φ = 61005611005060.

The previous prime is 122011222010071. The next prime is 122011222010141. The reversal of 122011222010122 is 221010222110221.

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

It can be written as a sum of positive squares in only one way, i.e., 118388522661201 + 3622699348921 = 10880649^2 + 1903339^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 122011222010122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30502805502529 + ... + 30502805502532.

Almost surely, 2^{122011222010122} is an apocalyptic number.

122011222010122 is a deficient number, since it is larger than the sum of its proper divisors (61005611005064).

122011222010122 is an equidigital number, since it uses as much as digits as its factorization.

122011222010122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61005611005063.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 122011222010122 its reverse (221010222110221), we get a palindrome (343021444120343).

The spelling of 122011222010122 in words is "one hundred twenty-two trillion, eleven billion, two hundred twenty-two million, ten thousand, one hundred twenty-two".