121221201001112 has 16 divisors (see below), whose sum is σ = 227807496193200. Its totient is φ = 60472535349600.

The previous prime is 121221201001063. The next prime is 121221201001163. The reversal of 121221201001112 is 211100102122121.

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, 17258140139 + ... + 17258147162.

It is an arithmetic number, because the mean of its divisors is an integer number (14237968512075).

Almost surely, 2^{121221201001112} is an apocalyptic number.

It is an amenable number.

121221201001112 is a deficient number, since it is larger than the sum of its proper divisors (106586295192088).

121221201001112 is a wasteful number, since it uses less digits than its factorization.

121221201001112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34516287746 (or 34516287742 counting only the distinct ones).

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

Adding to 121221201001112 its reverse (211100102122121), we get a palindrome (332321303123233).

The spelling of 121221201001112 in words is "one hundred twenty-one trillion, two hundred twenty-one billion, two hundred one million, one thousand, one hundred twelve".