122221220001122 has 96 divisors (see below), whose sum is σ = 203721275242800. Its totient is φ = 54950658048000.

The previous prime is 122221220001119. The next prime is 122221220001131. The reversal of 122221220001122 is 221100022122221.

It can be written as a sum of positive squares in 8 ways, for example, as 74254084960561 + 47967135040561 = 8617081^2 + 6925831^2 .

It is a junction number, because it is equal to n+sod(n) for n = 122221220001094 and 122221220001103.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5862199754 + ... + 5862220602.

Almost surely, 2^{122221220001122} is an apocalyptic number.

122221220001122 is a deficient number, since it is larger than the sum of its proper divisors (81500055241678).

122221220001122 is a wasteful number, since it uses less digits than its factorization.

122221220001122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21780 (or 21769 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 122221220001122 its reverse (221100022122221), we get a palindrome (343321242123343).

The spelling of 122221220001122 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, two hundred twenty million, one thousand, one hundred twenty-two".