122112101222222 has 4 divisors (see below), whose sum is σ = 183168151833336. Its totient is φ = 61056050611110.

The previous prime is 122112101222191. The next prime is 122112101222269. The reversal of 122112101222222 is 222222101211221.

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

It is a super-2 number, since 2×122112101222222² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30528025305554 + ... + 30528025305557.

It is an arithmetic number, because the mean of its divisors is an integer number (45792037958334).

Almost surely, 2^{122112101222222} is an apocalyptic number.

122112101222222 is a deficient number, since it is larger than the sum of its proper divisors (61056050611114).

122112101222222 is an equidigital number, since it uses as much as digits as its factorization.

122112101222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61056050611113.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 122112101222222 its reverse (222222101211221), we get a palindrome (344334202433443).

The spelling of 122112101222222 in words is "one hundred twenty-two trillion, one hundred twelve billion, one hundred one million, two hundred twenty-two thousand, two hundred twenty-two".