10212122120111 has 24 divisors (see below), whose sum is σ = 10604935430400. Its totient is φ = 9832138430400.

The previous prime is 10212122120089. The next prime is 10212122120143. The reversal of 10212122120111 is 11102122121201.

It is not a de Polignac number, because 10212122120111 - 2¹⁴ = 10212122103727 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10212122120111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212122120311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 289351376 + ... + 289386666.

It is an arithmetic number, because the mean of its divisors is an integer number (441872309600).

Almost surely, 2^{10212122120111} is an apocalyptic number.

10212122120111 is a deficient number, since it is larger than the sum of its proper divisors (392813310289).

10212122120111 is an equidigital number, since it uses as much as digits as its factorization.

10212122120111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37631 (or 37590 counting only the distinct ones).

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

Adding to 10212122120111 its reverse (11102122121201), we get a palindrome (21314244241312).

The spelling of 10212122120111 in words is "ten trillion, two hundred twelve billion, one hundred twenty-two million, one hundred twenty thousand, one hundred eleven".