1220002001211 has 16 divisors (see below), whose sum is σ = 1904393369088. Its totient is φ = 680140488000.

The previous prime is 1220002001201. The next prime is 1220002001219. The reversal of 1220002001211 is 1121002000221.

It is not a de Polignac number, because 1220002001211 - 2¹⁰ = 1220002000187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1220002001219) 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 15 ways as a sum of consecutive naturals, for example, 708478815 + ... + 708480536.

It is an arithmetic number, because the mean of its divisors is an integer number (119024585568).

Almost surely, 2^{1220002001211} is an apocalyptic number.

1220002001211 is a deficient number, since it is larger than the sum of its proper divisors (684391367877).

1220002001211 is a wasteful number, since it uses less digits than its factorization.

1220002001211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416959402.

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

Adding to 1220002001211 its reverse (1121002000221), we get a palindrome (2341004001432).

The spelling of 1220002001211 in words is "one trillion, two hundred twenty billion, two million, one thousand, two hundred eleven".