111022001221012 has 12 divisors (see below), whose sum is σ = 222044002442080. Its totient is φ = 47580857666136.

The previous prime is 111022001221003. The next prime is 111022001221013. The reversal of 111022001221012 is 210122100220111.

111022001221012 is an admirable number.

It is a super-3 number, since 3×111022001221012³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111022001221013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1982535736062 + ... + 1982535736117.

Almost surely, 2^{111022001221012} is an apocalyptic number.

It is an amenable number.

111022001221012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

111022001221012 is a wasteful number, since it uses less digits than its factorization.

111022001221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3965071472190 (or 3965071472188 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111022001221012 its reverse (210122100220111), we get a palindrome (321144101441123).

The spelling of 111022001221012 in words is "one hundred eleven trillion, twenty-two billion, one million, two hundred twenty-one thousand, twelve".