201010201011021 has 8 divisors (see below), whose sum is σ = 275257212195424. Its totient is φ = 130384995250320.

The previous prime is 201010201011019. The next prime is 201010201011077. The reversal of 201010201011021 is 120110102010102.

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

It is not a de Polignac number, because 201010201011021 - 2¹ = 201010201011019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201010201010988 and 201010201011006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201010201011121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 905451355795 + ... + 905451356016.

It is an arithmetic number, because the mean of its divisors is an integer number (34407151524428).

Almost surely, 2^{201010201011021} is an apocalyptic number.

It is an amenable number.

201010201011021 is a deficient number, since it is larger than the sum of its proper divisors (74247011184403).

201010201011021 is a wasteful number, since it uses less digits than its factorization.

201010201011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1810902711851.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 201010201011021 its reverse (120110102010102), we get a palindrome (321120303021123).

The spelling of 201010201011021 in words is "two hundred one trillion, ten billion, two hundred one million, eleven thousand, twenty-one".