100211121212 has 12 divisors (see below), whose sum is σ = 185685312960. Its totient is φ = 47158174656.

The previous prime is 100211121209. The next prime is 100211121223. The reversal of 100211121212 is 212121112001.

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, 736846412 + ... + 736846547.

It is an arithmetic number, because the mean of its divisors is an integer number (15473776080).

Almost surely, 2^100211121212 is an apocalyptic number.

It is an amenable number.

100211121212 is a deficient number, since it is larger than the sum of its proper divisors (85474191748).

100211121212 is a wasteful number, since it uses less digits than its factorization.

100211121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473692980 (or 1473692978 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 100211121212 its reverse (212121112001), we get a palindrome (312332233213).

The spelling of 100211121212 in words is "one hundred billion, two hundred eleven million, one hundred twenty-one thousand, two hundred twelve".