1220200102011 has 16 divisors (see below), whose sum is σ = 1775025515520. Its totient is φ = 739436461920.

The previous prime is 1220200101973. The next prime is 1220200102039. The reversal of 1220200102011 is 1102010020221.

It is not a de Polignac number, because 1220200102011 - 2¹⁷ = 1220199970939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1220200102061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1653451 + ... + 2274708.

It is an arithmetic number, because the mean of its divisors is an integer number (110939094720).

Almost surely, 2^{1220200102011} is an apocalyptic number.

1220200102011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1220200102011 is a deficient number, since it is larger than the sum of its proper divisors (554825413509).

1220200102011 is a wasteful number, since it uses less digits than its factorization.

1220200102011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3937586.

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

Adding to 1220200102011 its reverse (1102010020221), we get a palindrome (2322210122232).

The spelling of 1220200102011 in words is "one trillion, two hundred twenty billion, two hundred million, one hundred two thousand, eleven".