1001010121010 has 32 divisors (see below), whose sum is σ = 1825066425600. Its totient is φ = 395240227200.

The previous prime is 1001010120961. The next prime is 1001010121021. The reversal of 1001010121010 is 101210101001.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3167981 + ... + 3469599.

It is an arithmetic number, because the mean of its divisors is an integer number (57033325800).

Almost surely, 2^{1001010121010} is an apocalyptic number.

1001010121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001010121010 is a deficient number, since it is larger than the sum of its proper divisors (824056304590).

1001010121010 is a wasteful number, since it uses less digits than its factorization.

1001010121010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305906.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 1001010121010 its reverse (101210101001), we get a palindrome (1102220222011).

The spelling of 1001010121010 in words is "one trillion, one billion, ten million, one hundred twenty-one thousand, ten".