122100000122222 has 64 divisors (see below), whose sum is σ = 204474295296000. Its totient is φ = 54412628083200.

The previous prime is 122100000122197. The next prime is 122100000122249. The reversal of 122100000122222 is 222221000001221.

It is a happy number.

It is a super-2 number, since 2×122100000122222² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 122100000122222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 284579597 + ... + 285008327.

It is an arithmetic number, because the mean of its divisors is an integer number (3194910864000).

Almost surely, 2^{122100000122222} is an apocalyptic number.

122100000122222 is a deficient number, since it is larger than the sum of its proper divisors (82374295173778).

122100000122222 is a wasteful number, since it uses less digits than its factorization.

122100000122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434577.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 122100000122222 its reverse (222221000001221), we get a palindrome (344321000123443).

The spelling of 122100000122222 in words is "one hundred twenty-two trillion, one hundred billion, one hundred twenty-two thousand, two hundred twenty-two".