1220002220211 has 64 divisors (see below), whose sum is σ = 1823829696000. Its totient is φ = 720879353856.

The previous prime is 1220002220201. The next prime is 1220002220267. The reversal of 1220002220211 is 1120222000221.

It is not a de Polignac number, because 1220002220211 - 2⁹ = 1220002219699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1220002220201) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 452018740 + ... + 452021438.

It is an arithmetic number, because the mean of its divisors is an integer number (28497339000).

Almost surely, 2^{1220002220211} is an apocalyptic number.

1220002220211 is a deficient number, since it is larger than the sum of its proper divisors (603827475789).

1220002220211 is a wasteful number, since it uses less digits than its factorization.

1220002220211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5348.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1220002220211 its reverse (1120222000221), we get a palindrome (2340224220432).

The spelling of 1220002220211 in words is "one trillion, two hundred twenty billion, two million, two hundred twenty thousand, two hundred eleven".