121101112010012 has 6 divisors (see below), whose sum is σ = 211926946017528. Its totient is φ = 60550556005004.

The previous prime is 121101112009981. The next prime is 121101112010027. The reversal of 121101112010012 is 210010211101121.

It is a super-2 number, since 2×121101112010012² (a number of 29 digits) contains 22 as substring.

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, 15137639001248 + ... + 15137639001255.

It is an arithmetic number, because the mean of its divisors is an integer number (35321157669588).

Almost surely, 2^{121101112010012} is an apocalyptic number.

It is an amenable number.

121101112010012 is a deficient number, since it is larger than the sum of its proper divisors (90825834007516).

121101112010012 is a wasteful number, since it uses less digits than its factorization.

121101112010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30275278002507 (or 30275278002505 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 121101112010012 its reverse (210010211101121), we get a palindrome (331111323111133).

The spelling of 121101112010012 in words is "one hundred twenty-one trillion, one hundred one billion, one hundred twelve million, ten thousand, twelve".