1220210303211 has 32 divisors (see below), whose sum is σ = 1832418772800. Its totient is φ = 812414582784.

The previous prime is 1220210303183. The next prime is 1220210303267. The reversal of 1220210303211 is 1123030120221.

It is not a de Polignac number, because 1220210303211 - 2⁹ = 1220210302699 is a prime.

It is a super-3 number, since 3×1220210303211³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1220210302211) 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 31 ways as a sum of consecutive naturals, for example, 1319035 + ... + 2044571.

It is an arithmetic number, because the mean of its divisors is an integer number (57263086650).

Almost surely, 2^{1220210303211} is an apocalyptic number.

1220210303211 is a deficient number, since it is larger than the sum of its proper divisors (612208469589).

1220210303211 is an frugal number, since it uses more digits than its factorization.

1220210303211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726327 (or 726309 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1220210303211 its reverse (1123030120221), we get a palindrome (2343240423432).

The spelling of 1220210303211 in words is "one trillion, two hundred twenty billion, two hundred ten million, three hundred three thousand, two hundred eleven".