111002012121112 has 32 divisors (see below), whose sum is σ = 237862119261600. Its totient is φ = 47572157965824.

The previous prime is 111002012121103. The next prime is 111002012121131. The reversal of 111002012121112 is 211121210200111.

It is a super-2 number, since 2×111002012121112² (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 7 ways as a sum of consecutive naturals, for example, 18956464 + ... + 24111232.

It is an arithmetic number, because the mean of its divisors is an integer number (7433191226925).

Almost surely, 2^{111002012121112} is an apocalyptic number.

It is an amenable number.

111002012121112 is an abundant number, since it is smaller than the sum of its proper divisors (126860107140488).

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

111002012121112 is a wasteful number, since it uses less digits than its factorization.

111002012121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5539315 (or 5539311 counting only the distinct ones).

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

Adding to 111002012121112 its reverse (211121210200111), we get a palindrome (322123222321223).

The spelling of 111002012121112 in words is "one hundred eleven trillion, two billion, twelve million, one hundred twenty-one thousand, one hundred twelve".