100211101212 has 24 divisors (see below), whose sum is σ = 233843318800. Its totient is φ = 33401212416.

The previous prime is 100211101171. The next prime is 100211101259. The reversal of 100211101212 is 212101112001.

100211101212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×100211101212³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139387 + ... + 468882.

Almost surely, 2^100211101212 is an apocalyptic number.

100211101212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100211101212 is an abundant number, since it is smaller than the sum of its proper divisors (133632217588).

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

100211101212 is a wasteful number, since it uses less digits than its factorization.

100211101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622005 (or 622003 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 100211101212 its reverse (212101112001), we get a palindrome (312312213213).

The spelling of 100211101212 in words is "one hundred billion, two hundred eleven million, one hundred one thousand, two hundred twelve".