1010021223 has 4 divisors (see below), whose sum is σ = 1346694968. Its totient is φ = 673347480.

The previous prime is 1010021213. The next prime is 1010021267. The reversal of 1010021223 is 3221200101.

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

It is not a de Polignac number, because 1010021223 - 2¹³ = 1010013031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1010021199 and 1010021208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010021203) 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, 168336868 + ... + 168336873.

It is an arithmetic number, because the mean of its divisors is an integer number (336673742).

Almost surely, 2^1010021223 is an apocalyptic number.

1010021223 is a deficient number, since it is larger than the sum of its proper divisors (336673745).

1010021223 is an equidigital number, since it uses as much as digits as its factorization.

1010021223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336673744.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1010021223 is about 31780.8310621356. The cubic root of 1010021223 is about 1003.3293110535.

Adding to 1010021223 its reverse (3221200101), we get a palindrome (4231221324).

The spelling of 1010021223 in words is "one billion, ten million, twenty-one thousand, two hundred twenty-three".