1202012223111 has 48 divisors (see below), whose sum is σ = 1986780590080. Its totient is φ = 685997164800.

The previous prime is 1202012223089. The next prime is 1202012223157. The reversal of 1202012223111 is 1113222102021.

It is not a de Polignac number, because 1202012223111 - 2¹⁰ = 1202012222087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202012233111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 239299146 + ... + 239304168.

Almost surely, 2^{1202012223111} is an apocalyptic number.

1202012223111 is a deficient number, since it is larger than the sum of its proper divisors (784768366969).

1202012223111 is a wasteful number, since it uses less digits than its factorization.

1202012223111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9076 (or 9073 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1202012223111 its reverse (1113222102021), we get a palindrome (2315234325132).

The spelling of 1202012223111 in words is "one trillion, two hundred two billion, twelve million, two hundred twenty-three thousand, one hundred eleven".