1021021002110 has 32 divisors (see below), whose sum is σ = 1863180522432. Its totient is φ = 402777688320.

The previous prime is 1021021002091. The next prime is 1021021002149. The reversal of 1021021002110 is 112001201201.

It is a junction number, because it is equal to n+sod(n) for n = 1021021002091 and 1021021002100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8988992 + ... + 9101868.

It is an arithmetic number, because the mean of its divisors is an integer number (58224391326).

Almost surely, 2^{1021021002110} is an apocalyptic number.

1021021002110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021021002110 is a deficient number, since it is larger than the sum of its proper divisors (842159520322).

1021021002110 is a wasteful number, since it uses less digits than its factorization.

1021021002110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125348.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1021021002110 its reverse (112001201201), we get a palindrome (1133022203311).

The spelling of 1021021002110 in words is "one trillion, twenty-one billion, twenty-one million, two thousand, one hundred ten".