101010001011 has 4 divisors (see below), whose sum is σ = 134680001352. Its totient is φ = 67340000672.

The previous prime is 101010001009. The next prime is 101010001019. The reversal of 101010001011 is 110100010101.

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 101010001011 - 2¹ = 101010001009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101010001019) 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, 16835000166 + ... + 16835000171.

It is an arithmetic number, because the mean of its divisors is an integer number (33670000338).

Almost surely, 2^101010001011 is an apocalyptic number.

101010001011 is a deficient number, since it is larger than the sum of its proper divisors (33670000341).

101010001011 is an equidigital number, since it uses as much as digits as its factorization.

101010001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33670000340.

The product of its (nonzero) digits is 1, while the sum is 6.

Adding to 101010001011 its reverse (110100010101), we get a palindrome (211110011112).

The spelling of 101010001011 in words is "one hundred one billion, ten million, one thousand, eleven".