10212112221112 has 64 divisors (see below), whose sum is σ = 20318421412800. Its totient is φ = 4803264936960.

The previous prime is 10212112221097. The next prime is 10212112221119. The reversal of 10212112221112 is 21112221121201.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 10212112221112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212112221119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6344938 + ... + 7789894.

It is an arithmetic number, because the mean of its divisors is an integer number (317475334575).

Almost surely, 2^{10212112221112} is an apocalyptic number.

It is an amenable number.

10212112221112 is a deficient number, since it is larger than the sum of its proper divisors (10106309191688).

10212112221112 is a wasteful number, since it uses less digits than its factorization.

10212112221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445776 (or 1445772 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 10212112221112 its reverse (21112221121201), we get a palindrome (31324333342313).

The spelling of 10212112221112 in words is "ten trillion, two hundred twelve billion, one hundred twelve million, two hundred twenty-one thousand, one hundred twelve".