11200121112012 has 96 divisors (see below), whose sum is σ = 30944644254720. Its totient is φ = 3084912741120.

The previous prime is 11200121112001. The next prime is 11200121112119. The reversal of 11200121112012 is 21021112100211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11200121111982 and 11200121112000.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1977039 + ... + 5129222.

It is an arithmetic number, because the mean of its divisors is an integer number (322340044320).

Almost surely, 2^{11200121112012} is an apocalyptic number.

11200121112012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11200121112012 is an abundant number, since it is smaller than the sum of its proper divisors (19744523142708).

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

11200121112012 is a wasteful number, since it uses less digits than its factorization.

11200121112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7106951 (or 7106949 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11200121112012 its reverse (21021112100211), we get a palindrome (32221233212223).

The spelling of 11200121112012 in words is "eleven trillion, two hundred billion, one hundred twenty-one million, one hundred twelve thousand, twelve".