121020212011112 has 64 divisors (see below), whose sum is σ = 232258516439040. Its totient is φ = 59090383281600.

The previous prime is 121020212011073. The next prime is 121020212011121. The reversal of 121020212011112 is 211110212020121.

It is a super-2 number, since 2×121020212011112² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2428588037 + ... + 2428637867.

It is an arithmetic number, because the mean of its divisors is an integer number (3629039319360).

Almost surely, 2^{121020212011112} is an apocalyptic number.

It is an amenable number.

121020212011112 is a deficient number, since it is larger than the sum of its proper divisors (111238304427928).

121020212011112 is a wasteful number, since it uses less digits than its factorization.

121020212011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64182 (or 64178 counting only the distinct ones).

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

Adding to 121020212011112 its reverse (211110212020121), we get a palindrome (332130424031233).

Subtracting 121020212011112 from its reverse (211110212020121), we obtain a palindrome (90090000009009).

The spelling of 121020212011112 in words is "one hundred twenty-one trillion, twenty billion, two hundred twelve million, eleven thousand, one hundred twelve".