201102000111 has 24 divisors (see below), whose sum is σ = 292278285936. Its totient is φ = 133238960640.

The previous prime is 201102000091. The next prime is 201102000131. The reversal of 201102000111 is 111000201102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (201102000091) and next prime (201102000131).

It is not a de Polignac number, because 201102000111 - 2⁷ = 201101999983 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 201102000093 and 201102000102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201102000131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4012396 + ... + 4062206.

It is an arithmetic number, because the mean of its divisors is an integer number (12178261914).

Almost surely, 2^201102000111 is an apocalyptic number.

201102000111 is a deficient number, since it is larger than the sum of its proper divisors (91176285825).

201102000111 is a wasteful number, since it uses less digits than its factorization.

201102000111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52583 (or 52580 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 201102000111 its reverse (111000201102), we get a palindrome (312102201213).

The spelling of 201102000111 in words is "two hundred one billion, one hundred two million, one hundred eleven", and thus it is an aban number.