121102121212 has 6 divisors (see below), whose sum is σ = 211928712128. Its totient is φ = 60551060604.

The previous prime is 121102121167. The next prime is 121102121221. The reversal of 121102121212 is 212121201121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15137765148 + ... + 15137765155.

Almost surely, 2^121102121212 is an apocalyptic number.

It is an amenable number.

121102121212 is a deficient number, since it is larger than the sum of its proper divisors (90826590916).

121102121212 is a wasteful number, since it uses less digits than its factorization.

121102121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30275530307 (or 30275530305 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121102121212 its reverse (212121201121), we get a palindrome (333223322333).

The spelling of 121102121212 in words is "one hundred twenty-one billion, one hundred two million, one hundred twenty-one thousand, two hundred twelve".