20021002011110 has 16 divisors (see below), whose sum is σ = 36037889582832. Its totient is φ = 8008381701600.

The previous prime is 20021002011079. The next prime is 20021002011137. The reversal of 20021002011110 is 1111020012002.

It is a junction number, because it is equal to n+sod(n) for n = 20021002011091 and 20021002011100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2488145 + ... + 6799475.

It is an arithmetic number, because the mean of its divisors is an integer number (2252368098927).

Almost surely, 2^{20021002011110} is an apocalyptic number.

20021002011110 is a deficient number, since it is larger than the sum of its proper divisors (16016887571722).

20021002011110 is a wasteful number, since it uses less digits than its factorization.

20021002011110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4775719.

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

Adding to 20021002011110 its reverse (1111020012002), we get a palindrome (21132022023112).

The spelling of 20021002011110 in words is "twenty trillion, twenty-one billion, two million, eleven thousand, one hundred ten".