121101110211212 has 12 divisors (see below), whose sum is σ = 216436026760800. Its totient is φ = 59262245422416.

The previous prime is 121101110211173. The next prime is 121101110211223. The reversal of 121101110211212 is 212112011101121.

121101110211212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 322077420587 + ... + 322077420962.

It is an arithmetic number, because the mean of its divisors is an integer number (18036335563400).

Almost surely, 2^{121101110211212} is an apocalyptic number.

It is an amenable number.

121101110211212 is a deficient number, since it is larger than the sum of its proper divisors (95334916549588).

121101110211212 is a wasteful number, since it uses less digits than its factorization.

121101110211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644154841600 (or 644154841598 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 121101110211212 its reverse (212112011101121), we get a palindrome (333213121312333).

The spelling of 121101110211212 in words is "one hundred twenty-one trillion, one hundred one billion, one hundred ten million, two hundred eleven thousand, two hundred twelve".