1220120322301 has 4 divisors (see below), whose sum is σ = 1234820567232. Its totient is φ = 1205420077372.

The previous prime is 1220120322283. The next prime is 1220120322319. The reversal of 1220120322301 is 1032230210221.

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 an interprime number because it is at equal distance from previous prime (1220120322283) and next prime (1220120322319).

It is a cyclic number.

It is not a de Polignac number, because 1220120322301 - 2¹³ = 1220120314109 is a prime.

It is a super-2 number, since 2×1220120322301² (a number of 25 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 (1220120322371) 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, 7350122341 + ... + 7350122506.

It is an arithmetic number, because the mean of its divisors is an integer number (308705141808).

Almost surely, 2^{1220120322301} is an apocalyptic number.

It is an amenable number.

1220120322301 is a deficient number, since it is larger than the sum of its proper divisors (14700244931).

1220120322301 is an equidigital number, since it uses as much as digits as its factorization.

1220120322301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14700244930.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1220120322301 its reverse (1032230210221), we get a palindrome (2252350532522).

The spelling of 1220120322301 in words is "one trillion, two hundred twenty billion, one hundred twenty million, three hundred twenty-two thousand, three hundred one".