121100122110212 has 48 divisors (see below), whose sum is σ = 252731862754560. Its totient is φ = 49643297882112.

The previous prime is 121100122110211. The next prime is 121100122110217. The reversal of 121100122110212 is 212011221001121.

It is not an unprimeable number, because it can be changed into a prime (121100122110211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249073364 + ... + 249559092.

It is an arithmetic number, because the mean of its divisors is an integer number (5265247140720).

Almost surely, 2^{121100122110212} is an apocalyptic number.

It is an amenable number.

121100122110212 is an abundant number, since it is smaller than the sum of its proper divisors (131631740644348).

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

121100122110212 is a wasteful number, since it uses less digits than its factorization.

121100122110212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872900 (or 872898 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 121100122110212 its reverse (212011221001121), we get a palindrome (333111343111333).

The spelling of 121100122110212 in words is "one hundred twenty-one trillion, one hundred billion, one hundred twenty-two million, one hundred ten thousand, two hundred twelve".