101213111111 has 8 divisors (see below), whose sum is σ = 116817396384. Its totient is φ = 85895143200.

The previous prime is 101213111071. The next prime is 101213111119. The reversal of 101213111111 is 111111312101.

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 101213111111 - 2¹⁸ = 101212848967 is a prime.

It is a super-3 number, since 3×101213111111³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

101213111111 is a modest number, since divided by 111111 gives 101213 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101213111119) 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 7 ways as a sum of consecutive naturals, for example, 71578580 + ... + 71579993.

It is an arithmetic number, because the mean of its divisors is an integer number (14602174548).

Almost surely, 2^101213111111 is an apocalyptic number.

101213111111 is a deficient number, since it is larger than the sum of its proper divisors (15604285273).

101213111111 is a wasteful number, since it uses less digits than its factorization.

101213111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143158681.

The product of its (nonzero) digits is 6, while the sum is 14.

Adding to 101213111111 its reverse (111111312101), we get a palindrome (212324423212).

The spelling of 101213111111 in words is "one hundred one billion, two hundred thirteen million, one hundred eleven thousand, one hundred eleven".