10101231211 has 8 divisors (see below), whose sum is σ = 10332126720. Its totient is φ = 9871001448.

The previous prime is 10101231097. The next prime is 10101231227. The reversal of 10101231211 is 11213210101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10101231211 - 2¹³ = 10101223019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10101231191 and 10101231200.

It is not an unprimeable number, because it can be changed into a prime (10101231281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135681 + ... + 196498.

It is an arithmetic number, because the mean of its divisors is an integer number (1291515840).

Almost surely, 2^10101231211 is an apocalyptic number.

10101231211 is a deficient number, since it is larger than the sum of its proper divisors (230895509).

10101231211 is an equidigital number, since it uses as much as digits as its factorization.

10101231211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332873.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 10101231211 its reverse (11213210101), we get a palindrome (21314441312).

The spelling of 10101231211 in words is "ten billion, one hundred one million, two hundred thirty-one thousand, two hundred eleven".