121021201012112 has 20 divisors (see below), whose sum is σ = 234480401989836. Its totient is φ = 60510129530880.

The previous prime is 121021201012079. The next prime is 121021201012141. The reversal of 121021201012112 is 211210102120121.

It can be written as a sum of positive squares in 2 ways, for example, as 118795089267856 + 2226111744256 = 10899316^2 + 1492016^2 .

It is a super-2 number, since 2×121021201012112² (a number of 29 digits) contains 22 as substring.

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, 27311393 + ... + 31431744.

Almost surely, 2^{121021201012112} is an apocalyptic number.

It is an amenable number.

121021201012112 is a deficient number, since it is larger than the sum of its proper divisors (113459200977724).

121021201012112 is a wasteful number, since it uses less digits than its factorization.

121021201012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58871906 (or 58871900 counting only the distinct ones).

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

Adding to 121021201012112 its reverse (211210102120121), we get a palindrome (332231303132233).

The spelling of 121021201012112 in words is "one hundred twenty-one trillion, twenty-one billion, two hundred one million, twelve thousand, one hundred twelve".