120021210111112 has 32 divisors (see below), whose sum is σ = 227122676055000. Its totient is φ = 59455251998208.

The previous prime is 120021210111053. The next prime is 120021210111113. The reversal of 120021210111112 is 211111012120021.

It can be written as a sum of positive squares in 4 ways, for example, as 39616022103876 + 80405188007236 = 6294126^2 + 8966894^2 .

It is not an unprimeable number, because it can be changed into a prime (120021210111113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5274714 + ... + 16366582.

Almost surely, 2^{120021210111112} is an apocalyptic number.

It is an amenable number.

120021210111112 is a deficient number, since it is larger than the sum of its proper divisors (107101465943888).

120021210111112 is a wasteful number, since it uses less digits than its factorization.

120021210111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11104393 (or 11104389 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 120021210111112 its reverse (211111012120021), we get a palindrome (331132222231133).

The spelling of 120021210111112 in words is "one hundred twenty trillion, twenty-one billion, two hundred ten million, one hundred eleven thousand, one hundred twelve".