10105113211 has 4 divisors (see below), whose sum is σ = 10120732272. Its totient is φ = 10089494152.

The previous prime is 10105113203. The next prime is 10105113241. The reversal of 10105113211 is 11231150101.

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 10105113211 - 2³ = 10105113203 is a prime.

It is a super-2 number, since 2×10105113211² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10105113241) 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, 7808560 + ... + 7809853.

It is an arithmetic number, because the mean of its divisors is an integer number (2530183068).

Almost surely, 2^10105113211 is an apocalyptic number.

10105113211 is a deficient number, since it is larger than the sum of its proper divisors (15619061).

10105113211 is an equidigital number, since it uses as much as digits as its factorization.

10105113211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15619060.

The product of its (nonzero) digits is 30, while the sum is 16.

Adding to 10105113211 its reverse (11231150101), we get a palindrome (21336263312).

The spelling of 10105113211 in words is "ten billion, one hundred five million, one hundred thirteen thousand, two hundred eleven".