1202111121112 has 32 divisors (see below), whose sum is σ = 2516046540480. Its totient is φ = 533706838560.

The previous prime is 1202111121109. The next prime is 1202111121119. The reversal of 1202111121112 is 2111211112021.

It is a super-2 number, since 2×1202111121112² (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 (1202111121119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158837538 + ... + 158845105.

It is an arithmetic number, because the mean of its divisors is an integer number (78626454390).

Almost surely, 2^{1202111121112} is an apocalyptic number.

It is an amenable number.

1202111121112 is an abundant number, since it is smaller than the sum of its proper divisors (1313935419368).

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

1202111121112 is a wasteful number, since it uses less digits than its factorization.

1202111121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317682703 (or 317682699 counting only the distinct ones).

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

Adding to 1202111121112 its reverse (2111211112021), we get a palindrome (3313322233133).

Subtracting 1202111121112 from its reverse (2111211112021), we obtain a palindrome (909099990909).

The spelling of 1202111121112 in words is "one trillion, two hundred two billion, one hundred eleven million, one hundred twenty-one thousand, one hundred twelve".