101010102021011 has 4 divisors (see below), whose sum is σ = 101936800204800. Its totient is φ = 100083403837224.

The previous prime is 101010102020983. The next prime is 101010102021061. The reversal of 101010102021011 is 110120201010101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101010102021011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101010102020983 and 101010102021001.

It is not an unprimeable number, because it can be changed into a prime (101010102021061) 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, 463349091731 + ... + 463349091948.

It is an arithmetic number, because the mean of its divisors is an integer number (25484200051200).

Almost surely, 2^{101010102021011} is an apocalyptic number.

101010102021011 is a deficient number, since it is larger than the sum of its proper divisors (926698183789).

101010102021011 is an equidigital number, since it uses as much as digits as its factorization.

101010102021011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926698183788.

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

Adding to 101010102021011 its reverse (110120201010101), we get a palindrome (211130303031112).

The spelling of 101010102021011 in words is "one hundred one trillion, ten billion, one hundred two million, twenty-one thousand, eleven".