1220200011011 has 8 divisors (see below), whose sum is σ = 1220881102848. Its totient is φ = 1219519021000.

The previous prime is 1220200011007. The next prime is 1220200011013. The reversal of 1220200011011 is 1101100020221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1220200011011 - 2² = 1220200011007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1220200010983 and 1220200011001.

It is not an unprimeable number, because it can be changed into a prime (1220200011013) 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 7 ways as a sum of consecutive naturals, for example, 42693356 + ... + 42721926.

It is an arithmetic number, because the mean of its divisors is an integer number (152610137856).

Almost surely, 2^{1220200011011} is an apocalyptic number.

1220200011011 is a deficient number, since it is larger than the sum of its proper divisors (681091837).

1220200011011 is a wasteful number, since it uses less digits than its factorization.

1220200011011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50913.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1220200011011 its reverse (1101100020221), we get a palindrome (2321300031232).

The spelling of 1220200011011 in words is "one trillion, two hundred twenty billion, two hundred million, eleven thousand, eleven".