201012021011021 has 32 divisors (see below), whose sum is σ = 237273114710016. Its totient is φ = 168517836144000.

The previous prime is 201012021010967. The next prime is 201012021011041. The reversal of 201012021011021 is 120110120210102.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201012021011021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201012021010987 and 201012021011005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201012021011041) 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 31 ways as a sum of consecutive naturals, for example, 166579211 + ... + 167781576.

It is an arithmetic number, because the mean of its divisors is an integer number (7414784834688).

Almost surely, 2^{201012021011021} is an apocalyptic number.

It is an amenable number.

201012021011021 is a deficient number, since it is larger than the sum of its proper divisors (36261093698995).

201012021011021 is a wasteful number, since it uses less digits than its factorization.

201012021011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334360913.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 201012021011021 its reverse (120110120210102), we get a palindrome (321122141221123).

The spelling of 201012021011021 in words is "two hundred one trillion, twelve billion, twenty-one million, eleven thousand, twenty-one".