10212111029 has 4 divisors (see below), whose sum is σ = 10241040876. Its totient is φ = 10183181184.

The previous prime is 10212110977. The next prime is 10212111053. The reversal of 10212111029 is 92011121201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6005940004 + 4206171025 = 77498^2 + 64855^2 .

It is a cyclic number.

It is not a de Polignac number, because 10212111029 - 2²⁰ = 10211062453 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 10212111029.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212411029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14464394 + ... + 14465099.

It is an arithmetic number, because the mean of its divisors is an integer number (2560260219).

Almost surely, 2^10212111029 is an apocalyptic number.

It is an amenable number.

10212111029 is a deficient number, since it is larger than the sum of its proper divisors (28929847).

10212111029 is an equidigital number, since it uses as much as digits as its factorization.

10212111029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28929846.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 10212111029 in words is "ten billion, two hundred twelve million, one hundred eleven thousand, twenty-nine".