122211011002222 has 4 divisors (see below), whose sum is σ = 183316516503336. Its totient is φ = 61105505501110.

The previous prime is 122211011002141. The next prime is 122211011002237. The reversal of 122211011002222 is 222200110112221.

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 122211011002222.

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, 30552752750554 + ... + 30552752750557.

It is an arithmetic number, because the mean of its divisors is an integer number (45829129125834).

Almost surely, 2^{122211011002222} is an apocalyptic number.

122211011002222 is a deficient number, since it is larger than the sum of its proper divisors (61105505501114).

122211011002222 is an equidigital number, since it uses as much as digits as its factorization.

122211011002222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61105505501113.

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

Adding to 122211011002222 its reverse (222200110112221), we get a palindrome (344411121114443).

The spelling of 122211011002222 in words is "one hundred twenty-two trillion, two hundred eleven billion, eleven million, two thousand, two hundred twenty-two".