1002121010223 has 16 divisors (see below), whose sum is σ = 1414965470976. Its totient is φ = 628690078080.

The previous prime is 1002121010221. The next prime is 1002121010237. The reversal of 1002121010223 is 3220101212001.

It is not a de Polignac number, because 1002121010223 - 2¹ = 1002121010221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002121010221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1079461 + ... + 1780302.

It is an arithmetic number, because the mean of its divisors is an integer number (88435341936).

Almost surely, 2^{1002121010223} is an apocalyptic number.

1002121010223 is a deficient number, since it is larger than the sum of its proper divisors (412844460753).

1002121010223 is a wasteful number, since it uses less digits than its factorization.

1002121010223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2866654.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1002121010223 its reverse (3220101212001), we get a palindrome (4222222222224).

The spelling of 1002121010223 in words is "one trillion, two billion, one hundred twenty-one million, ten thousand, two hundred twenty-three".