2220663255811 has 24 divisors (see below), whose sum is σ = 3004177642592. Its totient is φ = 1597280256000.

The previous prime is 2220663255787. The next prime is 2220663255823. The reversal of 2220663255811 is 1185523660222.

It is not a de Polignac number, because 2220663255811 - 2⁵ = 2220663255779 is a prime.

It is a super-2 number, since 2×2220663255811² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2220663255211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100827390 + ... + 100849411.

Almost surely, 2^{2220663255811} is an apocalyptic number.

2220663255811 is a deficient number, since it is larger than the sum of its proper divisors (783514386781).

2220663255811 is a wasteful number, since it uses less digits than its factorization.

2220663255811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201676843 (or 201676832 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 2220663255811 in words is "two trillion, two hundred twenty billion, six hundred sixty-three million, two hundred fifty-five thousand, eight hundred eleven".