1220334101 has 8 divisors (see below), whose sum is σ = 1394894784. Its totient is φ = 1045830240.

The previous prime is 1220334083. The next prime is 1220334113. The reversal of 1220334101 is 1014330221.

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

It is not a de Polignac number, because 1220334101 - 2²² = 1216139797 is a prime.

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 1220334101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220334151) 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, 53081 + ... + 72513.

It is an arithmetic number, because the mean of its divisors is an integer number (174361848).

Almost surely, 2^1220334101 is an apocalyptic number.

It is an amenable number.

1220334101 is a deficient number, since it is larger than the sum of its proper divisors (174560683).

1220334101 is an equidigital number, since it uses as much as digits as its factorization.

1220334101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28411.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1220334101 is about 34933.2807076576. The cubic root of 1220334101 is about 1068.6272613697.

Adding to 1220334101 its reverse (1014330221), we get a palindrome (2234664322).

The spelling of 1220334101 in words is "one billion, two hundred twenty million, three hundred thirty-four thousand, one hundred one".