1222012011211 has 8 divisors (see below), whose sum is σ = 1294082417664. Its totient is φ = 1149962421120.

The previous prime is 1222012011203. The next prime is 1222012011229. The reversal of 1222012011211 is 1121102102221.

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

It is a cyclic number.

It is not a de Polignac number, because 1222012011211 - 2³ = 1222012011203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222012011271) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5083140 + ... + 5318113.

It is an arithmetic number, because the mean of its divisors is an integer number (161760302208).

Almost surely, 2^{1222012011211} is an apocalyptic number.

1222012011211 is a deficient number, since it is larger than the sum of its proper divisors (72070406453).

1222012011211 is a wasteful number, since it uses less digits than its factorization.

1222012011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10408181.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1222012011211 its reverse (1121102102221), we get a palindrome (2343114113432).

The spelling of 1222012011211 in words is "one trillion, two hundred twenty-two billion, twelve million, eleven thousand, two hundred eleven".