201106201155 has 8 divisors (see below), whose sum is σ = 321769921872. Its totient is φ = 107256640608.

The previous prime is 201106201147. The next prime is 201106201253. The reversal of 201106201155 is 551102601102.

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

It is not a de Polignac number, because 201106201155 - 2³ = 201106201147 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6703540024 + ... + 6703540053.

It is an arithmetic number, because the mean of its divisors is an integer number (40221240234).

Almost surely, 2^201106201155 is an apocalyptic number.

201106201155 is a deficient number, since it is larger than the sum of its proper divisors (120663720717).

201106201155 is a wasteful number, since it uses less digits than its factorization.

201106201155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13407080085.

The product of its (nonzero) digits is 600, while the sum is 24.

Adding to 201106201155 its reverse (551102601102), we get a palindrome (752208802257).

The spelling of 201106201155 in words is "two hundred one billion, one hundred six million, two hundred one thousand, one hundred fifty-five".