121101021011212 has 96 divisors (see below), whose sum is σ = 238407959409984. Its totient is φ = 53361934848000.

The previous prime is 121101021011149. The next prime is 121101021011213. The reversal of 121101021011212 is 212110120101121.

121101021011212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (121101021011213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43082058 + ... + 45806830.

It is an arithmetic number, because the mean of its divisors is an integer number (2483416243854).

Almost surely, 2^{121101021011212} is an apocalyptic number.

It is an amenable number.

121101021011212 is a deficient number, since it is larger than the sum of its proper divisors (117306938398772).

121101021011212 is a wasteful number, since it uses less digits than its factorization.

121101021011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2725099 (or 2725097 counting only the distinct ones).

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

Adding to 121101021011212 its reverse (212110120101121), we get a palindrome (333211141112333).

It can be divided in two parts, 1211010 and 21011212, that added together give a palindrome (22222222).

The spelling of 121101021011212 in words is "one hundred twenty-one trillion, one hundred one billion, twenty-one million, eleven thousand, two hundred twelve".