20110021020106 has 16 divisors (see below), whose sum is σ = 30183091741440. Its totient is φ = 10048992095520.

The previous prime is 20110021020077. The next prime is 20110021020139. The reversal of 20110021020106 is 60102012001102.

It is a self number, because there is not a number n which added to its sum of digits gives 20110021020106.

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, 24095365 + ... + 24915991.

It is an arithmetic number, because the mean of its divisors is an integer number (1886443233840).

Almost surely, 2^{20110021020106} is an apocalyptic number.

20110021020106 is a deficient number, since it is larger than the sum of its proper divisors (10073070721334).

20110021020106 is a wasteful number, since it uses less digits than its factorization.

20110021020106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827949.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 20110021020106 its reverse (60102012001102), we get a palindrome (80212033021208).

The spelling of 20110021020106 in words is "twenty trillion, one hundred ten billion, twenty-one million, twenty thousand, one hundred six".