20111010112101 has 8 divisors (see below), whose sum is σ = 27080172032544. Its totient is φ = 13274594133200.

The previous prime is 20111010112097. The next prime is 20111010112103. The reversal of 20111010112101 is 10121101011102.

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

It is a cyclic number.

It is not a de Polignac number, because 20111010112101 - 2² = 20111010112097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20111010112103) 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, 33186485031 + ... + 33186485636.

It is an arithmetic number, because the mean of its divisors is an integer number (3385021504068).

Almost surely, 2^{20111010112101} is an apocalyptic number.

It is an amenable number.

20111010112101 is a deficient number, since it is larger than the sum of its proper divisors (6969161920443).

20111010112101 is a wasteful number, since it uses less digits than its factorization.

20111010112101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66372970771.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 20111010112101 its reverse (10121101011102), we get a palindrome (30232111123203).

The spelling of 20111010112101 in words is "twenty trillion, one hundred eleven billion, ten million, one hundred twelve thousand, one hundred one".