201330010121 has 4 divisors (see below), whose sum is σ = 202778427600. Its totient is φ = 199881592644.

The previous prime is 201330010111. The next prime is 201330010129. The reversal of 201330010121 is 121010033102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 201330010121 - 2¹⁸ = 201329747977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201330010096 and 201330010105.

It is not an unprimeable number, because it can be changed into a prime (201330010129) 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, 724208531 + ... + 724208808.

It is an arithmetic number, because the mean of its divisors is an integer number (50694606900).

Almost surely, 2^201330010121 is an apocalyptic number.

It is an amenable number.

201330010121 is a deficient number, since it is larger than the sum of its proper divisors (1448417479).

201330010121 is a wasteful number, since it uses less digits than its factorization.

201330010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1448417478.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 201330010121 its reverse (121010033102), we get a palindrome (322340043223).

The spelling of 201330010121 in words is "two hundred one billion, three hundred thirty million, ten thousand, one hundred twenty-one".