1021011100010 has 64 divisors (see below), whose sum is σ = 2019586608000. Its totient is φ = 368559072000.

The previous prime is 1021011099989. The next prime is 1021011100033. The reversal of 1021011100010 is 100011101201.

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 31 ways as a sum of consecutive naturals, for example, 27992285 + ... + 28028735.

It is an arithmetic number, because the mean of its divisors is an integer number (31556040750).

Almost surely, 2^{1021011100010} is an apocalyptic number.

1021011100010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021011100010 is a deficient number, since it is larger than the sum of its proper divisors (998575507990).

1021011100010 is a wasteful number, since it uses less digits than its factorization.

1021011100010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38327.

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

Adding to 1021011100010 its reverse (100011101201), we get a palindrome (1121022201211).

The spelling of 1021011100010 in words is "one trillion, twenty-one billion, eleven million, one hundred thousand, ten".