1220000211122 has 32 divisors (see below), whose sum is σ = 2289678344064. Its totient is φ = 473633193600.

The previous prime is 1220000211103. The next prime is 1220000211139. The reversal of 1220000211122 is 2211120000221.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1220000211097 and 1220000211106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14052953 + ... + 14139500.

It is an arithmetic number, because the mean of its divisors is an integer number (71552448252).

Almost surely, 2^{1220000211122} is an apocalyptic number.

1220000211122 is a deficient number, since it is larger than the sum of its proper divisors (1069678132942).

1220000211122 is a wasteful number, since it uses less digits than its factorization.

1220000211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28192754.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1220000211122 its reverse (2211120000221), we get a palindrome (3431120211343).

The spelling of 1220000211122 in words is "one trillion, two hundred twenty billion, two hundred eleven thousand, one hundred twenty-two".