1202112222011 has 4 divisors (see below), whose sum is σ = 1215619101000. Its totient is φ = 1188605343024.

The previous prime is 1202112222007. The next prime is 1202112222071. The reversal of 1202112222011 is 1102222112021.

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 1202112222011 - 2² = 1202112222007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202112222071) 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, 6753439361 + ... + 6753439538.

It is an arithmetic number, because the mean of its divisors is an integer number (303904775250).

Almost surely, 2^{1202112222011} is an apocalyptic number.

1202112222011 is a deficient number, since it is larger than the sum of its proper divisors (13506878989).

1202112222011 is an equidigital number, since it uses as much as digits as its factorization.

1202112222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13506878988.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1202112222011 its reverse (1102222112021), we get a palindrome (2304334334032).

The spelling of 1202112222011 in words is "one trillion, two hundred two billion, one hundred twelve million, two hundred twenty-two thousand, eleven".