100121011101212 has 12 divisors (see below), whose sum is σ = 175240199093736. Its totient is φ = 50052382788720.

The previous prime is 100121011101191. The next prime is 100121011101253. The reversal of 100121011101212 is 212101110121001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2030662739 + ... + 2030712042.

It is an arithmetic number, because the mean of its divisors is an integer number (14603349924478).

Almost surely, 2^{100121011101212} is an apocalyptic number.

It is an amenable number.

100121011101212 is a deficient number, since it is larger than the sum of its proper divisors (75119187992524).

100121011101212 is a wasteful number, since it uses less digits than its factorization.

100121011101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4061380948 (or 4061380946 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 100121011101212 its reverse (212101110121001), we get a palindrome (312222121222213).

The spelling of 100121011101212 in words is "one hundred trillion, one hundred twenty-one billion, eleven million, one hundred one thousand, two hundred twelve".