10212101021011 has 4 divisors (see below), whose sum is σ = 10541523634624. Its totient is φ = 9882678407400.

The previous prime is 10212101020987. The next prime is 10212101021027. The reversal of 10212101021011 is 11012010121201.

It is a happy number.

10212101021011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10212101021011 - 2⁷ = 10212101020883 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10212101020982 and 10212101021000.

It is not an unprimeable number, because it can be changed into a prime (10212101051011) 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, 164711306760 + ... + 164711306821.

It is an arithmetic number, because the mean of its divisors is an integer number (2635380908656).

Almost surely, 2^{10212101021011} is an apocalyptic number.

10212101021011 is a deficient number, since it is larger than the sum of its proper divisors (329422613613).

10212101021011 is an equidigital number, since it uses as much as digits as its factorization.

10212101021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329422613612.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10212101021011 its reverse (11012010121201), we get a palindrome (21224111142212).

The spelling of 10212101021011 in words is "ten trillion, two hundred twelve billion, one hundred one million, twenty-one thousand, eleven".