1220201001122 has 8 divisors (see below), whose sum is σ = 1831960889856. Its totient is φ = 609547371172.

The previous prime is 1220201001091. The next prime is 1220201001133. The reversal of 1220201001122 is 2211001020221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1220201001097 and 1220201001106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276561938 + ... + 276566349.

It is an arithmetic number, because the mean of its divisors is an integer number (228995111232).

Almost surely, 2^{1220201001122} is an apocalyptic number.

1220201001122 is a deficient number, since it is larger than the sum of its proper divisors (611759888734).

1220201001122 is a wasteful number, since it uses less digits than its factorization.

1220201001122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553129392.

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

Adding to 1220201001122 its reverse (2211001020221), we get a palindrome (3431202021343).

The spelling of 1220201001122 in words is "one trillion, two hundred twenty billion, two hundred one million, one thousand, one hundred twenty-two".