122101212010222 has 4 divisors (see below), whose sum is σ = 183151818015336. Its totient is φ = 61050606005110.

The previous prime is 122101212010201. The next prime is 122101212010223. The reversal of 122101212010222 is 222010212101221.

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

It is a self number, because there is not a number n which added to its sum of digits gives 122101212010222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122101212010223) by changing a digit.

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, 30525303002554 + ... + 30525303002557.

It is an arithmetic number, because the mean of its divisors is an integer number (45787954503834).

Almost surely, 2^{122101212010222} is an apocalyptic number.

122101212010222 is a deficient number, since it is larger than the sum of its proper divisors (61050606005114).

122101212010222 is an equidigital number, since it uses as much as digits as its factorization.

122101212010222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61050606005113.

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

Adding to 122101212010222 its reverse (222010212101221), we get a palindrome (344111424111443).

Subtracting 122101212010222 from its reverse (222010212101221), we obtain a palindrome (99909000090999).

The spelling of 122101212010222 in words is "one hundred twenty-two trillion, one hundred one billion, two hundred twelve million, ten thousand, two hundred twenty-two".