121221200101112 has 16 divisors (see below), whose sum is σ = 227402773467000. Its totient is φ = 60580460509920.

The previous prime is 121221200101103. The next prime is 121221200101121. The reversal of 121221200101112 is 211101002122121.

It is an interprime number because it is at equal distance from previous prime (121221200101103) and next prime (121221200101121).

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, 3767425487 + ... + 3767457662.

Almost surely, 2^{121221200101112} is an apocalyptic number.

It is an amenable number.

121221200101112 is a deficient number, since it is larger than the sum of its proper divisors (106181573365888).

121221200101112 is a wasteful number, since it uses less digits than its factorization.

121221200101112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7534885166 (or 7534885162 counting only the distinct ones).

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

Adding to 121221200101112 its reverse (211101002122121), we get a palindrome (332322202223233).

The spelling of 121221200101112 in words is "one hundred twenty-one trillion, two hundred twenty-one billion, two hundred million, one hundred one thousand, one hundred twelve".