201003112030021 has 8 divisors (see below), whose sum is σ = 230130262149120. Its totient is φ = 171979066868208.

The previous prime is 201003112029997. The next prime is 201003112030027. The reversal of 201003112030021 is 120030211300102.

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

It is a cyclic number.

It is not a de Polignac number, because 201003112030021 - 2¹⁹ = 201003111505733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201003112029977 and 201003112030004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201003112030027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25776235141 + ... + 25776242938.

It is an arithmetic number, because the mean of its divisors is an integer number (28766282768640).

Almost surely, 2^{201003112030021} is an apocalyptic number.

It is an amenable number.

201003112030021 is a deficient number, since it is larger than the sum of its proper divisors (29127150119099).

201003112030021 is an equidigital number, since it uses as much as digits as its factorization.

201003112030021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51552478643.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 201003112030021 its reverse (120030211300102), we get a palindrome (321033323330123).

The spelling of 201003112030021 in words is "two hundred one trillion, three billion, one hundred twelve million, thirty thousand, twenty-one".