1220002022211 has 32 divisors (see below), whose sum is σ = 1891462891008. Its totient is φ = 685012861440.

The previous prime is 1220002022201. The next prime is 1220002022219. The reversal of 1220002022211 is 1122202000221.

It is not a de Polignac number, because 1220002022211 - 2¹⁵ = 1220001989443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1220002022219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 764136 + ... + 1738938.

It is an arithmetic number, because the mean of its divisors is an integer number (59108215344).

Almost surely, 2^{1220002022211} is an apocalyptic number.

1220002022211 is a deficient number, since it is larger than the sum of its proper divisors (671460868797).

1220002022211 is an equidigital number, since it uses as much as digits as its factorization.

1220002022211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975851.

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

Adding to 1220002022211 its reverse (1122202000221), we get a palindrome (2342204022432).

The spelling of 1220002022211 in words is "one trillion, two hundred twenty billion, two million, twenty-two thousand, two hundred eleven".