100111011010212 has 24 divisors (see below), whose sum is σ = 239905666025536. Its totient is φ = 32468436003168.

The previous prime is 100111011010211. The next prime is 100111011010243. The reversal of 100111011010212 is 212010110111001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (100111011010211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112737624568 + ... + 112737625455.

Almost surely, 2^{100111011010212} is an apocalyptic number.

100111011010212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100111011010212 is an abundant number, since it is smaller than the sum of its proper divisors (139794655015324).

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

100111011010212 is a wasteful number, since it uses less digits than its factorization.

100111011010212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225475250067 (or 225475250065 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 100111011010212 its reverse (212010110111001), we get a palindrome (312121121121213).

The spelling of 100111011010212 in words is "one hundred trillion, one hundred eleven billion, eleven million, ten thousand, two hundred twelve".