1201121000222 has 16 divisors (see below), whose sum is σ = 2116660784112. Its totient is φ = 503966853120.

The previous prime is 1201121000221. The next prime is 1201121000237. The reversal of 1201121000222 is 2220001211021.

It is a junction number, because it is equal to n+sod(n) for n = 1201121000197 and 1201121000206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201121000221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2099861603 + ... + 2099862174.

It is an arithmetic number, because the mean of its divisors is an integer number (132291299007).

Almost surely, 2^{1201121000222} is an apocalyptic number.

1201121000222 is a deficient number, since it is larger than the sum of its proper divisors (915539783890).

1201121000222 is a wasteful number, since it uses less digits than its factorization.

1201121000222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4199723803.

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

Adding to 1201121000222 its reverse (2220001211021), we get a palindrome (3421122211243).

The spelling of 1201121000222 in words is "one trillion, two hundred one billion, one hundred twenty-one million, two hundred twenty-two", and thus it is an aban number.