101221201021112 has 32 divisors (see below), whose sum is σ = 189982250496000. Its totient is φ = 50559271912800.

The previous prime is 101221201021093. The next prime is 101221201021163. The reversal of 101221201021112 is 211120102122101.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 194384537 + ... + 194904567.

It is an arithmetic number, because the mean of its divisors is an integer number (5936945328000).

Almost surely, 2^{101221201021112} is an apocalyptic number.

It is an amenable number.

101221201021112 is a deficient number, since it is larger than the sum of its proper divisors (88761049474888).

101221201021112 is a wasteful number, since it uses less digits than its factorization.

101221201021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544667 (or 544663 counting only the distinct ones).

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

Adding to 101221201021112 its reverse (211120102122101), we get a palindrome (312341303143213).

The spelling of 101221201021112 in words is "one hundred one trillion, two hundred twenty-one billion, two hundred one million, twenty-one thousand, one hundred twelve".