100011212000203 has 16 divisors (see below), whose sum is σ = 114801391194880. Its totient is φ = 85346773017696.

The previous prime is 100011212000113. The next prime is 100011212000213. The reversal of 100011212000203 is 302000212110001.

It is a cyclic number.

It is not a de Polignac number, because 100011212000203 - 2⁴⁵ = 64826839911371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100011212000213) 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, 48927100 + ... + 50930182.

It is an arithmetic number, because the mean of its divisors is an integer number (7175086949680).

Almost surely, 2^{100011212000203} is an apocalyptic number.

100011212000203 is a deficient number, since it is larger than the sum of its proper divisors (14790179194677).

100011212000203 is a wasteful number, since it uses less digits than its factorization.

100011212000203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2034466.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 100011212000203 its reverse (302000212110001), we get a palindrome (402011424110204).

The spelling of 100011212000203 in words is "one hundred trillion, eleven billion, two hundred twelve million, two hundred three", and thus it is an aban number.