1020021222223 has 8 divisors (see below), whose sum is σ = 1021873034736. Its totient is φ = 1018170753600.

The previous prime is 1020021222173. The next prime is 1020021222257. The reversal of 1020021222223 is 3222221200201.

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 1020021222223 - 2⁹ = 1020021221711 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1020021222223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020021222263) 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, 1189693 + ... + 1858873.

It is an arithmetic number, because the mean of its divisors is an integer number (127734129342).

Almost surely, 2^{1020021222223} is an apocalyptic number.

1020021222223 is a deficient number, since it is larger than the sum of its proper divisors (1851812513).

1020021222223 is an equidigital number, since it uses as much as digits as its factorization.

1020021222223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671945.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 1020021222223 its reverse (3222221200201), we get a palindrome (4242242422424).

The spelling of 1020021222223 in words is "one trillion, twenty billion, twenty-one million, two hundred twenty-two thousand, two hundred twenty-three".