10212101221112 has 64 divisors (see below), whose sum is σ = 23325819480000. Its totient is φ = 4091521406976.

The previous prime is 10212101221109. The next prime is 10212101221117. The reversal of 10212101221112 is 21112210121201.

It is a super-2 number, since 2×10212101221112² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212101221117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35854787 + ... + 36138482.

It is an arithmetic number, because the mean of its divisors is an integer number (364465929375).

Almost surely, 2^{10212101221112} is an apocalyptic number.

It is an amenable number.

10212101221112 is an abundant number, since it is smaller than the sum of its proper divisors (13113718258888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10212101221112 is a wasteful number, since it uses less digits than its factorization.

10212101221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71993448 (or 71993444 counting only the distinct ones).

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

Adding to 10212101221112 its reverse (21112210121201), we get a palindrome (31324311342313).

The spelling of 10212101221112 in words is "ten trillion, two hundred twelve billion, one hundred one million, two hundred twenty-one thousand, one hundred twelve".