101212011011 has 8 divisors (see below), whose sum is σ = 105239524224. Its totient is φ = 97232160960.

The previous prime is 101212010989. The next prime is 101212011013. The reversal of 101212011011 is 110110212101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101212011011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101212010983 and 101212011001.

It is not an unprimeable number, because it can be changed into a prime (101212011013) 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, 11911460 + ... + 11919953.

It is an arithmetic number, because the mean of its divisors is an integer number (13154940528).

Almost surely, 2^101212011011 is an apocalyptic number.

101212011011 is a deficient number, since it is larger than the sum of its proper divisors (4027513213).

101212011011 is a wasteful number, since it uses less digits than its factorization.

101212011011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23831581.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 101212011011 its reverse (110110212101), we get a palindrome (211322223112).

The spelling of 101212011011 in words is "one hundred one billion, two hundred twelve million, eleven thousand, eleven".