220135101 has 4 divisors (see below), whose sum is σ = 293513472. Its totient is φ = 146756732.

The previous prime is 220135099. The next prime is 220135141. The reversal of 220135101 is 101531022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220135101 - 2¹ = 220135099 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220135141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36689181 + ... + 36689186.

It is an arithmetic number, because the mean of its divisors is an integer number (73378368).

Almost surely, 2^220135101 is an apocalyptic number.

It is an amenable number.

220135101 is a deficient number, since it is larger than the sum of its proper divisors (73378371).

220135101 is an equidigital number, since it uses as much as digits as its factorization.

220135101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73378370.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 220135101 is about 14836.9505290002. The cubic root of 220135101 is about 603.8046209944.

Adding to 220135101 its reverse (101531022), we get a palindrome (321666123).

The spelling of 220135101 in words is "two hundred twenty million, one hundred thirty-five thousand, one hundred one".