201013101111 has 8 divisors (see below), whose sum is σ = 268020753904. Its totient is φ = 134007091200.

The previous prime is 201013101109. The next prime is 201013101137. The reversal of 201013101111 is 111101310102.

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

It is not a de Polignac number, because 201013101111 - 2¹ = 201013101109 is a prime.

It is a super-2 number, since 2×201013101111² (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 (201013101151) 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, 89290 + ... + 640311.

It is an arithmetic number, because the mean of its divisors is an integer number (33502594238).

Almost surely, 2^201013101111 is an apocalyptic number.

201013101111 is a deficient number, since it is larger than the sum of its proper divisors (67007652793).

201013101111 is an equidigital number, since it uses as much as digits as its factorization.

201013101111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821441.

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 201013101111 its reverse (111101310102), we get a palindrome (312114411213).

The spelling of 201013101111 in words is "two hundred one billion, thirteen million, one hundred one thousand, one hundred eleven".