121102031100212 has 12 divisors (see below), whose sum is σ = 211928634078336. Its totient is φ = 60550992792120.

The previous prime is 121102031100163. The next prime is 121102031100229. The reversal of 121102031100212 is 212001130201121.

It is a happy number.

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, 13400093 + ... + 20536955.

It is an arithmetic number, because the mean of its divisors is an integer number (17660719506528).

Almost surely, 2^{121102031100212} is an apocalyptic number.

It is an amenable number.

121102031100212 is a deficient number, since it is larger than the sum of its proper divisors (90826602978124).

121102031100212 is a wasteful number, since it uses less digits than its factorization.

121102031100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11378998 (or 11378996 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 121102031100212 its reverse (212001130201121), we get a palindrome (333103161301333).

The spelling of 121102031100212 in words is "one hundred twenty-one trillion, one hundred two billion, thirty-one million, one hundred thousand, two hundred twelve".