111122010121012 has 12 divisors (see below), whose sum is σ = 212142019322016. Its totient is φ = 50510004600440.

The previous prime is 111122010121009. The next prime is 111122010121037. The reversal of 111122010121012 is 210121010221111.

It is a super-2 number, since 2×111122010121012² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1262750114968 + ... + 1262750115055.

It is an arithmetic number, because the mean of its divisors is an integer number (17678501610168).

Almost surely, 2^{111122010121012} is an apocalyptic number.

It is an amenable number.

111122010121012 is a deficient number, since it is larger than the sum of its proper divisors (101020009201004).

111122010121012 is a wasteful number, since it uses less digits than its factorization.

111122010121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2525500230038 (or 2525500230036 counting only the distinct ones).

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

Adding to 111122010121012 its reverse (210121010221111), we get a palindrome (321243020342123).

The spelling of 111122010121012 in words is "one hundred eleven trillion, one hundred twenty-two billion, ten million, one hundred twenty-one thousand, twelve".