101211111011 has 8 divisors (see below), whose sum is σ = 101370080448. Its totient is φ = 101052265000.

The previous prime is 101211110989. The next prime is 101211111017. The reversal of 101211111011 is 110111112101.

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 101211111011 - 2¹⁴ = 101211094627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101211110983 and 101211111001.

It is not an unprimeable number, because it can be changed into a prime (101211111017) 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, 1684436 + ... + 1743486.

It is an arithmetic number, because the mean of its divisors is an integer number (12671260056).

Almost surely, 2^101211111011 is an apocalyptic number.

101211111011 is a deficient number, since it is larger than the sum of its proper divisors (158969437).

101211111011 is a wasteful number, since it uses less digits than its factorization.

101211111011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61713.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 101211111011 its reverse (110111112101), we get a palindrome (211322223112).

It can be divided in two parts, 101 and 211111011, that added together give a palindrome (211111112).

The spelling of 101211111011 in words is "one hundred one billion, two hundred eleven million, one hundred eleven thousand, eleven".