213011020101 has 16 divisors (see below), whose sum is σ = 312901881408. Its totient is φ = 127819392000.

The previous prime is 213011020091. The next prime is 213011020127. The reversal of 213011020101 is 101020110312.

It is not a de Polignac number, because 213011020101 - 2¹⁰ = 213011019077 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213011020141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31951516 + ... + 31958181.

It is an arithmetic number, because the mean of its divisors is an integer number (19556367588).

Almost surely, 2^213011020101 is an apocalyptic number.

It is an amenable number.

213011020101 is a deficient number, since it is larger than the sum of its proper divisors (99890861307).

213011020101 is a wasteful number, since it uses less digits than its factorization.

213011020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63909812.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 213011020101 its reverse (101020110312), we get a palindrome (314031130413).

The spelling of 213011020101 in words is "two hundred thirteen billion, eleven million, twenty thousand, one hundred one".