1020110202021 has 8 divisors (see below), whose sum is σ = 1360157347744. Its totient is φ = 680068262160.

The previous prime is 1020110201959. The next prime is 1020110202031. The reversal of 1020110202021 is 1202020110201.

1020110202021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1020110202021 - 2¹⁰ = 1020110200997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1020110201988 and 1020110202006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020110202031) 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, 818650 + ... + 1646331.

It is an arithmetic number, because the mean of its divisors is an integer number (170019668468).

Almost surely, 2^{1020110202021} is an apocalyptic number.

It is an amenable number.

1020110202021 is a deficient number, since it is larger than the sum of its proper divisors (340047145723).

1020110202021 is a wasteful number, since it uses less digits than its factorization.

1020110202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2602931.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1020110202021 its reverse (1202020110201), we get a palindrome (2222130312222).

The spelling of 1020110202021 in words is "one trillion, twenty billion, one hundred ten million, two hundred two thousand, twenty-one".