20111110020010 has 8 divisors (see below), whose sum is σ = 36199998036036. Its totient is φ = 8044444008000.

The previous prime is 20111110020007. The next prime is 20111110020011. The reversal of 20111110020010 is 1002001111102.

It can be written as a sum of positive squares in 2 ways, for example, as 18818165916081 + 1292944103929 = 4337991^2 + 1137077^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 2011111002001 = 20111110020010 / (2 + 0 + 1 + 1 + 1 + 1 + 1 + 0 + 0 + 2 + 0 + 0 + 1 + 0).

It is not an unprimeable number, because it can be changed into a prime (20111110020011) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1005555500991 + ... + 1005555501010.

Almost surely, 2^{20111110020010} is an apocalyptic number.

20111110020010 is a deficient number, since it is larger than the sum of its proper divisors (16088888016026).

20111110020010 is a wasteful number, since it uses less digits than its factorization.

20111110020010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011111002008.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 20111110020010 its reverse (1002001111102), we get a palindrome (21113111131112).

The spelling of 20111110020010 in words is "twenty trillion, one hundred eleven billion, one hundred ten million, twenty thousand, ten".