201101002111 has 4 divisors (see below), whose sum is σ = 211685265400. Its totient is φ = 190516738824.

The previous prime is 201101002097. The next prime is 201101002117. The reversal of 201101002111 is 111200101102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111200101102 = 2 ⋅55600050551.

It is a cyclic number.

It is not a de Polignac number, because 201101002111 - 2²³ = 201092613503 is a prime.

It is a super-2 number, since 2×201101002111² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201101002117) 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, 5292131616 + ... + 5292131653.

It is an arithmetic number, because the mean of its divisors is an integer number (52921316350).

Almost surely, 2^201101002111 is an apocalyptic number.

201101002111 is a deficient number, since it is larger than the sum of its proper divisors (10584263289).

201101002111 is a wasteful number, since it uses less digits than its factorization.

201101002111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10584263288.

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

Adding to 201101002111 its reverse (111200101102), we get a palindrome (312301103213).

The spelling of 201101002111 in words is "two hundred one billion, one hundred one million, two thousand, one hundred eleven".