1021003020210 has 32 divisors (see below), whose sum is σ = 2451625895232. Its totient is φ = 272132066880.

The previous prime is 1021003020199. The next prime is 1021003020211. The reversal of 1021003020210 is 120203001201.

It is not an unprimeable number, because it can be changed into a prime (1021003020211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8401489 + ... + 8522148.

It is an arithmetic number, because the mean of its divisors is an integer number (76613309226).

Almost surely, 2^{1021003020210} is an apocalyptic number.

1021003020210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021003020210 is an abundant number, since it is smaller than the sum of its proper divisors (1430622875022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1021003020210 is a wasteful number, since it uses less digits than its factorization.

1021003020210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16925658.

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

Adding to 1021003020210 its reverse (120203001201), we get a palindrome (1141206021411).

The spelling of 1021003020210 in words is "one trillion, twenty-one billion, three million, twenty thousand, two hundred ten".