1020002101223 has 8 divisors (see below), whose sum is σ = 1227070197120. Its totient is φ = 828272382840.

The previous prime is 1020002101201. The next prime is 1020002101267. The reversal of 1020002101223 is 3221012000201.

It is a happy number.

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

It is not a de Polignac number, because 1020002101223 - 2¹⁰ = 1020002100199 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1020002101198 and 1020002101207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020002101123) 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, 3834594233 + ... + 3834594498.

It is an arithmetic number, because the mean of its divisors is an integer number (153383774640).

Almost surely, 2^{1020002101223} is an apocalyptic number.

1020002101223 is a deficient number, since it is larger than the sum of its proper divisors (207068095897).

1020002101223 is an equidigital number, since it uses as much as digits as its factorization.

1020002101223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7669188757.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1020002101223 its reverse (3221012000201), we get a palindrome (4241014101424).

The spelling of 1020002101223 in words is "one trillion, twenty billion, two million, one hundred one thousand, two hundred twenty-three".