201010120001021 has 8 divisors (see below), whose sum is σ = 209999690087040. Its totient is φ = 192041383219312.

The previous prime is 201010120000999. The next prime is 201010120001023. The reversal of 201010120001021 is 120100021010102.

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 201010120001021 - 2⁶ = 201010120000957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201010120000993 and 201010120001011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201010120001023) 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, 5208306350 + ... + 5208344943.

It is an arithmetic number, because the mean of its divisors is an integer number (26249961260880).

Almost surely, 2^{201010120001021} is an apocalyptic number.

It is an amenable number.

201010120001021 is a deficient number, since it is larger than the sum of its proper divisors (8989570086019).

201010120001021 is a wasteful number, since it uses less digits than its factorization.

201010120001021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10416652155.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 201010120001021 its reverse (120100021010102), we get a palindrome (321110141011123).

The spelling of 201010120001021 in words is "two hundred one trillion, ten billion, one hundred twenty million, one thousand, twenty-one".