212031013101 has 16 divisors (see below), whose sum is σ = 285644736384. Its totient is φ = 139885876224.

The previous prime is 212031013009. The next prime is 212031013147. The reversal of 212031013101 is 101310130212.

It is a happy number.

It is not a de Polignac number, because 212031013101 - 2¹⁸ = 212030750957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212031014101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5729680 + ... + 5766566.

It is an arithmetic number, because the mean of its divisors is an integer number (17852796024).

Almost surely, 2^212031013101 is an apocalyptic number.

It is an amenable number.

212031013101 is a deficient number, since it is larger than the sum of its proper divisors (73613723283).

212031013101 is a wasteful number, since it uses less digits than its factorization.

212031013101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56740.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 212031013101 its reverse (101310130212), we get a palindrome (313341143313).

The spelling of 212031013101 in words is "two hundred twelve billion, thirty-one million, thirteen thousand, one hundred one".