1220102200011 has 4 divisors (see below), whose sum is σ = 1626802933352. Its totient is φ = 813401466672.

The previous prime is 1220102199971. The next prime is 1220102200013. The reversal of 1220102200011 is 1100022010221.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1220102200011 - 2⁶ = 1220102199947 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1220102200011.

It is not an unprimeable number, because it can be changed into a prime (1220102200013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203350366666 + ... + 203350366671.

It is an arithmetic number, because the mean of its divisors is an integer number (406700733338).

Almost surely, 2^{1220102200011} is an apocalyptic number.

1220102200011 is a deficient number, since it is larger than the sum of its proper divisors (406700733341).

1220102200011 is an equidigital number, since it uses as much as digits as its factorization.

1220102200011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406700733340.

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

Adding to 1220102200011 its reverse (1100022010221), we get a palindrome (2320124210232).

The spelling of 1220102200011 in words is "one trillion, two hundred twenty billion, one hundred two million, two hundred thousand, eleven".