1010212212111 has 4 divisors (see below), whose sum is σ = 1346949616152. Its totient is φ = 673474808072.

The previous prime is 1010212212017. The next prime is 1010212212131. The reversal of 1010212212111 is 1112122120101.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1010212212111 - 2²⁵ = 1010178657679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010212212131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168368702016 + ... + 168368702021.

It is an arithmetic number, because the mean of its divisors is an integer number (336737404038).

Almost surely, 2^{1010212212111} is an apocalyptic number.

1010212212111 is a deficient number, since it is larger than the sum of its proper divisors (336737404041).

1010212212111 is an equidigital number, since it uses as much as digits as its factorization.

1010212212111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336737404040.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1010212212111 its reverse (1112122120101), we get a palindrome (2122334332212).

It can be divided in two parts, 101021 and 2212111, that added together give a palindrome (2313132).

The spelling of 1010212212111 in words is "one trillion, ten billion, two hundred twelve million, two hundred twelve thousand, one hundred eleven".