1021020110201 has 8 divisors (see below), whose sum is σ = 1256640135744. Its totient is φ = 807840087120.

The previous prime is 1021020110191. The next prime is 1021020110207. The reversal of 1021020110201 is 1020110201201.

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 1021020110201 - 2²⁶ = 1020953001337 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1021020110207) 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, 5610000515 + ... + 5610000696.

It is an arithmetic number, because the mean of its divisors is an integer number (157080016968).

Almost surely, 2^{1021020110201} is an apocalyptic number.

It is an amenable number.

1021020110201 is a deficient number, since it is larger than the sum of its proper divisors (235620025543).

1021020110201 is a wasteful number, since it uses less digits than its factorization.

1021020110201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11220001231.

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

Adding to 1021020110201 its reverse (1020110201201), we get a palindrome (2041130311402).

The spelling of 1021020110201 in words is "one trillion, twenty-one billion, twenty million, one hundred ten thousand, two hundred one".