1001012011010 has 64 divisors (see below), whose sum is σ = 1986511578624. Its totient is φ = 360141408000.

The previous prime is 1001012010983. The next prime is 1001012011019. The reversal of 1001012011010 is 101102101001.

It is a happy number.

It is a super-2 number, since 2×1001012011010² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1001012011019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15777872 + ... + 15841188.

It is an arithmetic number, because the mean of its divisors is an integer number (31039243416).

Almost surely, 2^{1001012011010} is an apocalyptic number.

1001012011010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001012011010 is a deficient number, since it is larger than the sum of its proper divisors (985499567614).

1001012011010 is a wasteful number, since it uses less digits than its factorization.

1001012011010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64859.

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

Adding to 1001012011010 its reverse (101102101001), we get a palindrome (1102114112011).

The spelling of 1001012011010 in words is "one trillion, one billion, twelve million, eleven thousand, ten".