10020121010 has 64 divisors (see below), whose sum is σ = 20054200320. Its totient is φ = 3589064640.

The previous prime is 10020120973. The next prime is 10020121021. The reversal of 10020121010 is 1012102001.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 233489 + ... + 273051.

It is an arithmetic number, because the mean of its divisors is an integer number (313346880).

Almost surely, 2^10020121010 is an apocalyptic number.

10020121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10020121010 is an abundant number, since it is smaller than the sum of its proper divisors (10034079310).

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

10020121010 is a wasteful number, since it uses less digits than its factorization.

10020121010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39663.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 10020121010 its reverse (1012102001), we get a palindrome (11032223011).

The spelling of 10020121010 in words is "ten billion, twenty million, one hundred twenty-one thousand, ten".