1021110010010 has 16 divisors (see below), whose sum is σ = 1854263489256. Its totient is φ = 404829454848.

The previous prime is 1021110010001. The next prime is 1021110010049. The reversal of 1021110010010 is 100100111201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 335795911441 + 685314098569 = 579479^2 + 827837^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1021110010010.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 451817459 + ... + 451819718.

Almost surely, 2^{1021110010010} is an apocalyptic number.

1021110010010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021110010010 is a deficient number, since it is larger than the sum of its proper divisors (833153479246).

1021110010010 is a wasteful number, since it uses less digits than its factorization.

1021110010010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903637297.

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

Adding to 1021110010010 its reverse (100100111201), we get a palindrome (1121210121211).

The spelling of 1021110010010 in words is "one trillion, twenty-one billion, one hundred ten million, ten thousand, ten".