1021110201223 has 4 divisors (see below), whose sum is σ = 1166983087120. Its totient is φ = 875237315328.

The previous prime is 1021110201193. The next prime is 1021110201229. The reversal of 1021110201223 is 3221020111201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1021110201223 - 2⁵ = 1021110201191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1021110201197 and 1021110201206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021110201229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72936442938 + ... + 72936442951.

It is an arithmetic number, because the mean of its divisors is an integer number (291745771780).

Almost surely, 2^{1021110201223} is an apocalyptic number.

1021110201223 is a deficient number, since it is larger than the sum of its proper divisors (145872885897).

1021110201223 is an equidigital number, since it uses as much as digits as its factorization.

1021110201223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145872885896.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1021110201223 its reverse (3221020111201), we get a palindrome (4242130312424).

The spelling of 1021110201223 in words is "one trillion, twenty-one billion, one hundred ten million, two hundred one thousand, two hundred twenty-three".