20110021122101 has 8 divisors (see below), whose sum is σ = 20120474602944. Its totient is φ = 20099569523040.

The previous prime is 20110021122013. The next prime is 20110021122109. The reversal of 20110021122101 is 10122112001102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20110021122101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110021122109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21166496 + ... + 22096166.

It is an arithmetic number, because the mean of its divisors is an integer number (2515059325368).

Almost surely, 2^{20110021122101} is an apocalyptic number.

It is an amenable number.

20110021122101 is a deficient number, since it is larger than the sum of its proper divisors (10453480843).

20110021122101 is an equidigital number, since it uses as much as digits as its factorization.

20110021122101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940891.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20110021122101 its reverse (10122112001102), we get a palindrome (30232133123203).

The spelling of 20110021122101 in words is "twenty trillion, one hundred ten billion, twenty-one million, one hundred twenty-two thousand, one hundred one".