10201121212021 has 8 divisors (see below), whose sum is σ = 10215165250688. Its totient is φ = 10187078400000.

The previous prime is 10201121212013. The next prime is 10201121212031. The reversal of 10201121212021 is 12021212110201.

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 10201121212021 - 2³ = 10201121212013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10201121211986 and 10201121212004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10201121212031) 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, 17009026 + ... + 17598556.

It is an arithmetic number, because the mean of its divisors is an integer number (1276895656336).

Almost surely, 2^{10201121212021} is an apocalyptic number.

It is an amenable number.

10201121212021 is a deficient number, since it is larger than the sum of its proper divisors (14044038667).

10201121212021 is an equidigital number, since it uses as much as digits as its factorization.

10201121212021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613323.

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

Adding to 10201121212021 its reverse (12021212110201), we get a palindrome (22222333322222).

The spelling of 10201121212021 in words is "ten trillion, two hundred one billion, one hundred twenty-one million, two hundred twelve thousand, twenty-one".