1220001200211 has 32 divisors (see below), whose sum is σ = 1728227854080. Its totient is φ = 762882656256.

The previous prime is 1220001200083. The next prime is 1220001200219. The reversal of 1220001200211 is 1120021000221.

It is not a de Polignac number, because 1220001200211 - 2⁷ = 1220001200083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1220001200219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42248400 + ... + 42277266.

It is an arithmetic number, because the mean of its divisors is an integer number (54007120440).

Almost surely, 2^{1220001200211} is an apocalyptic number.

1220001200211 is a deficient number, since it is larger than the sum of its proper divisors (508226653869).

1220001200211 is a wasteful number, since it uses less digits than its factorization.

1220001200211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31683.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1220001200211 its reverse (1120021000221), we get a palindrome (2340022200432).

The spelling of 1220001200211 in words is "one trillion, two hundred twenty billion, one million, two hundred thousand, two hundred eleven".