101001012011 has 8 divisors (see below), whose sum is σ = 102585773760. Its totient is φ = 99421687872.

The previous prime is 101001011977. The next prime is 101001012031. The reversal of 101001012011 is 110210100101.

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 a de Polignac number, because none of the positive numbers 2^k-101001012011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101001012011.

It is not an unprimeable number, because it can be changed into a prime (101001012031) 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, 1321955 + ... + 1396268.

It is an arithmetic number, because the mean of its divisors is an integer number (12823221720).

Almost surely, 2^101001012011 is an apocalyptic number.

101001012011 is a deficient number, since it is larger than the sum of its proper divisors (1584761749).

101001012011 is an equidigital number, since it uses as much as digits as its factorization.

101001012011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2718805.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 101001012011 its reverse (110210100101), we get a palindrome (211211112112).

The spelling of 101001012011 in words is "one hundred one billion, one million, twelve thousand, eleven".