10021220221112 has 8 divisors (see below), whose sum is σ = 18789787914600. Its totient is φ = 5010610110552.

The previous prime is 10021220221109. The next prime is 10021220221121. The reversal of 10021220221112 is 21112202212001.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626326263812 + ... + 626326263827.

It is an arithmetic number, because the mean of its divisors is an integer number (2348723489325).

Almost surely, 2^{10021220221112} is an apocalyptic number.

It is an amenable number.

10021220221112 is a deficient number, since it is larger than the sum of its proper divisors (8768567693488).

10021220221112 is a wasteful number, since it uses less digits than its factorization.

10021220221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252652527645 (or 1252652527641 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10021220221112 its reverse (21112202212001), we get a palindrome (31133422433113).

The spelling of 10021220221112 in words is "ten trillion, twenty-one billion, two hundred twenty million, two hundred twenty-one thousand, one hundred twelve".