220110110202109 has 4 divisors (see below), whose sum is σ = 220110261071680. Its totient is φ = 220109959332540.

The previous prime is 220110110202067. The next prime is 220110110202119. The reversal of 220110110202109 is 901202011011022.

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 220110110202109 - 2¹³ = 220110110193917 is a prime.

It is a super-2 number, since 2×220110110202109² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220110110202109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220110110202119) 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, 73224789 + ... + 76171450.

It is an arithmetic number, because the mean of its divisors is an integer number (55027565267920).

Almost surely, 2^{220110110202109} is an apocalyptic number.

It is an amenable number.

220110110202109 is a deficient number, since it is larger than the sum of its proper divisors (150869571).

220110110202109 is a wasteful number, since it uses less digits than its factorization.

220110110202109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150869570.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 220110110202109 in words is "two hundred twenty trillion, one hundred ten billion, one hundred ten million, two hundred two thousand, one hundred nine".