201101111101 has 8 divisors (see below), whose sum is σ = 219389796864. Its totient is φ = 182813553120.

The previous prime is 201101111083. The next prime is 201101111119. The reversal of 201101111101 is 101111101102.

It is an interprime number because it is at equal distance from previous prime (201101111083) and next prime (201101111119).

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

It is not a de Polignac number, because 201101111101 - 2⁵ = 201101111069 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 (201108111101) 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, 115236 + ... + 644578.

It is an arithmetic number, because the mean of its divisors is an integer number (27423724608).

Almost surely, 2^201101111101 is an apocalyptic number.

It is an amenable number.

201101111101 is a deficient number, since it is larger than the sum of its proper divisors (18288685763).

201101111101 is a wasteful number, since it uses less digits than its factorization.

201101111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563891.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 201101111101 its reverse (101111101102), we get a palindrome (302212212203).

Subtracting from 201101111101 its reverse (101111101102), we obtain a palindrome (99990009999).

The spelling of 201101111101 in words is "two hundred one billion, one hundred one million, one hundred eleven thousand, one hundred one".