201012012211021 has 32 divisors (see below), whose sum is σ = 242372028342528. Its totient is φ = 164448619991040.

The previous prime is 201012012211009. The next prime is 201012012211039. The reversal of 201012012211021 is 120112210210102.

It is a de Polignac number, because none of the positive numbers 2^k-201012012211021 is a prime.

It is a super-2 number, since 2×201012012211021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201012012210986 and 201012012211004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201012012212021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2449465 + ... + 20199601.

It is an arithmetic number, because the mean of its divisors is an integer number (7574125885704).

Almost surely, 2^{201012012211021} is an apocalyptic number.

It is an amenable number.

201012012211021 is a deficient number, since it is larger than the sum of its proper divisors (41360016131507).

201012012211021 is a wasteful number, since it uses less digits than its factorization.

201012012211021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17752821.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 201012012211021 its reverse (120112210210102), we get a palindrome (321124222421123).

The spelling of 201012012211021 in words is "two hundred one trillion, twelve billion, twelve million, two hundred eleven thousand, twenty-one".