1020110200221 has 16 divisors (see below), whose sum is σ = 1554505634304. Its totient is φ = 582900615984.

The previous prime is 1020110200201. The next prime is 1020110200237. The reversal of 1020110200221 is 1220020110201.

It is not a de Polignac number, because 1020110200221 - 2⁶ = 1020110200157 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1020110200197 and 1020110200206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020110200201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157395 + ... + 1437008.

It is an arithmetic number, because the mean of its divisors is an integer number (97156602144).

Almost surely, 2^{1020110200221} is an apocalyptic number.

It is an amenable number.

1020110200221 is a deficient number, since it is larger than the sum of its proper divisors (534395434083).

1020110200221 is a wasteful number, since it uses less digits than its factorization.

1020110200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1624880.

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

Adding to 1020110200221 its reverse (1220020110201), we get a palindrome (2240130310422).

The spelling of 1020110200221 in words is "one trillion, twenty billion, one hundred ten million, two hundred thousand, two hundred twenty-one".