1222000000011 has 24 divisors (see below), whose sum is σ = 2017337846784. Its totient is φ = 698262174000.

The previous prime is 1222000000003. The next prime is 1222000000019. The reversal of 1222000000011 is 1100000002221.

It is an interprime number because it is at equal distance from previous prime (1222000000003) and next prime (1222000000019).

It is not a de Polignac number, because 1222000000011 - 2³ = 1222000000003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (1222000000019) 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, 1650886 + ... + 2273636.

It is an arithmetic number, because the mean of its divisors is an integer number (84055743616).

Almost surely, 2^{1222000000011} is an apocalyptic number.

1222000000011 is a deficient number, since it is larger than the sum of its proper divisors (795337846773).

1222000000011 is a wasteful number, since it uses less digits than its factorization.

1222000000011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653911 (or 653908 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1222000000011 its reverse (1100000002221), we get a palindrome (2322000002232).

The spelling of 1222000000011 in words is "one trillion, two hundred twenty-two billion, eleven", and thus it is an aban number.