1222220103122 has 4 divisors (see below), whose sum is σ = 1833330154686. Its totient is φ = 611110051560.

The previous prime is 1222220103119. The next prime is 1222220103173. The reversal of 1222220103122 is 2213010222221.

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., 1106891263921 + 115328839201 = 1052089^2 + 339601^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1222220103094 and 1222220103103.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305555025779 + ... + 305555025782.

Almost surely, 2^{1222220103122} is an apocalyptic number.

1222220103122 is a deficient number, since it is larger than the sum of its proper divisors (611110051564).

1222220103122 is an equidigital number, since it uses as much as digits as its factorization.

1222220103122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611110051563.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1222220103122 its reverse (2213010222221), we get a palindrome (3435230325343).

The spelling of 1222220103122 in words is "one trillion, two hundred twenty-two billion, two hundred twenty million, one hundred three thousand, one hundred twenty-two".