100011122221012 has 12 divisors (see below), whose sum is σ = 175044104153856. Its totient is φ = 49998521034200.

The previous prime is 100011122220983. The next prime is 100011122221019. The reversal of 100011122221012 is 210122221110001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100011122221019) 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, 1759987114 + ... + 1760043937.

It is an arithmetic number, because the mean of its divisors is an integer number (14587008679488).

Almost surely, 2^{100011122221012} is an apocalyptic number.

It is an amenable number.

100011122221012 is a deficient number, since it is larger than the sum of its proper divisors (75032981932844).

100011122221012 is a wasteful number, since it uses less digits than its factorization.

100011122221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3520038158 (or 3520038156 counting only the distinct ones).

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

Adding to 100011122221012 its reverse (210122221110001), we get a palindrome (310133343331013).

The spelling of 100011122221012 in words is "one hundred trillion, eleven billion, one hundred twenty-two million, two hundred twenty-one thousand, twelve".