1202111120 has 60 divisors (see below), whose sum is σ = 3251230524. Its totient is φ = 412151040.

The previous prime is 1202111117. The next prime is 1202111129. The reversal of 1202111120 is 211112021.

It can be written as a sum of positive squares in 2 ways, for example, as 485585296 + 716525824 = 22036^2 + 26768^2 .

It is a super-2 number, since 2×1202111120² = 2890142289655308800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1202111129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149411 + ... + 157250.

Almost surely, 2^1202111120 is an apocalyptic number.

1202111120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202111120 is an abundant number, since it is smaller than the sum of its proper divisors (2049119404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1202111120 is a wasteful number, since it uses less digits than its factorization.

1202111120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306688 (or 306675 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1202111120 is about 34671.4741538343. The cubic root of 1202111120 is about 1063.2813707002.

Adding to 1202111120 its reverse (211112021), we get a palindrome (1413223141).

Subtracting from 1202111120 its reverse (211112021), we obtain a palindrome (990999099).

The spelling of 1202111120 in words is "one billion, two hundred two million, one hundred eleven thousand, one hundred twenty".