1021111002110 has 16 divisors (see below), whose sum is σ = 1843872013296. Its totient is φ = 407139465408.

The previous prime is 1021111002017. The next prime is 1021111002127. The reversal of 1021111002110 is 112001111201.

It is a junction number, because it is equal to n+sod(n) for n = 1021111002091 and 1021111002100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163113644 + ... + 163119903.

It is an arithmetic number, because the mean of its divisors is an integer number (115242000831).

Almost surely, 2^{1021111002110} is an apocalyptic number.

1021111002110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021111002110 is a deficient number, since it is larger than the sum of its proper divisors (822761011186).

1021111002110 is a wasteful number, since it uses less digits than its factorization.

1021111002110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326233867.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1021111002110 its reverse (112001111201), we get a palindrome (1133112113311).

The spelling of 1021111002110 in words is "one trillion, twenty-one billion, one hundred eleven million, two thousand, one hundred ten".