1220112000211 has 4 divisors (see below), whose sum is σ = 1313966769472. Its totient is φ = 1126257230952.

The previous prime is 1220112000179. The next prime is 1220112000257. The reversal of 1220112000211 is 1120002110221.

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

It is a cyclic number.

It is not a de Polignac number, because 1220112000211 - 2⁵ = 1220112000179 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 93854769247 = 1220112000211 / (1 + 2 + 2 + 0 + 1 + 1 + 2 + 0 + 0 + 0 + 2 + 1 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1220112000191 and 1220112000200.

It is not an unprimeable number, because it can be changed into a prime (1220112000011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46927384611 + ... + 46927384636.

It is an arithmetic number, because the mean of its divisors is an integer number (328491692368).

Almost surely, 2^{1220112000211} is an apocalyptic number.

1220112000211 is a deficient number, since it is larger than the sum of its proper divisors (93854769261).

1220112000211 is an equidigital number, since it uses as much as digits as its factorization.

1220112000211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93854769260.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1220112000211 its reverse (1120002110221), we get a palindrome (2340114110432).

The spelling of 1220112000211 in words is "one trillion, two hundred twenty billion, one hundred twelve million, two hundred eleven", and thus it is an aban number.