1202111010205 has 16 divisors (see below), whose sum is σ = 1745586408960. Its totient is φ = 775816180992.

The previous prime is 1202111010179. The next prime is 1202111010209. The reversal of 1202111010205 is 5020101112021.

It is a cyclic number.

It is not a de Polignac number, because 1202111010205 - 2¹¹ = 1202111008157 is a prime.

It is a super-2 number, since 2×1202111010205² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202111010209) 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 15 ways as a sum of consecutive naturals, for example, 1010176725 + ... + 1010177914.

It is an arithmetic number, because the mean of its divisors is an integer number (109099150560).

Almost surely, 2^{1202111010205} is an apocalyptic number.

It is an amenable number.

1202111010205 is a deficient number, since it is larger than the sum of its proper divisors (543475398755).

1202111010205 is a wasteful number, since it uses less digits than its factorization.

1202111010205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020354668.

The product of its (nonzero) digits is 40, while the sum is 16.

Adding to 1202111010205 its reverse (5020101112021), we get a palindrome (6222212122226).

The spelling of 1202111010205 in words is "one trillion, two hundred two billion, one hundred eleven million, ten thousand, two hundred five".