11121201201012 has 48 divisors (see below), whose sum is σ = 29656699632000. Its totient is φ = 3177468582912.

The previous prime is 11121201200999. The next prime is 11121201201017. The reversal of 11121201201012 is 21010210212111.

It is a happy number.

It is a super-2 number, since 2×11121201201012² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11121201200982 and 11121201201000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121201201017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29400988 + ... + 29776844.

It is an arithmetic number, because the mean of its divisors is an integer number (617847909000).

Almost surely, 2^{11121201201012} is an apocalyptic number.

11121201201012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11121201201012 is an abundant number, since it is smaller than the sum of its proper divisors (18535498430988).

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

11121201201012 is a wasteful number, since it uses less digits than its factorization.

11121201201012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728120 (or 728118 counting only the distinct ones).

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

Adding to 11121201201012 its reverse (21010210212111), we get a palindrome (32131411413123).

It can be divided in two parts, 1112120 and 1201012, that added together give a palindrome (2313132).

The spelling of 11121201201012 in words is "eleven trillion, one hundred twenty-one billion, two hundred one million, two hundred one thousand, twelve".