201012122021 has 8 divisors (see below), whose sum is σ = 204441148800. Its totient is φ = 197583830080.

The previous prime is 201012121957. The next prime is 201012122083. The reversal of 201012122021 is 120221210102.

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 201012122021 - 2⁶ = 201012121957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201012121987 and 201012122005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201012122821) 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, 382820 + ... + 740658.

It is an arithmetic number, because the mean of its divisors is an integer number (25555143600).

Almost surely, 2^201012122021 is an apocalyptic number.

It is an amenable number.

201012122021 is a deficient number, since it is larger than the sum of its proper divisors (3429026779).

201012122021 is an equidigital number, since it uses as much as digits as its factorization.

201012122021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367419.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 201012122021 its reverse (120221210102), we get a palindrome (321233332123).

The spelling of 201012122021 in words is "two hundred one billion, twelve million, one hundred twenty-two thousand, twenty-one".