1220122120201 has 8 divisors (see below), whose sum is σ = 1259884548608. Its totient is φ = 1180384920000.

The previous prime is 1220122120199. The next prime is 1220122120241. The reversal of 1220122120201 is 1020212210221.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1220122120201 - 2¹ = 1220122120199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220122120241) 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, 6208725 + ... + 6402226.

It is an arithmetic number, because the mean of its divisors is an integer number (157485568576).

Almost surely, 2^{1220122120201} is an apocalyptic number.

It is an amenable number.

1220122120201 is a deficient number, since it is larger than the sum of its proper divisors (39762428407).

1220122120201 is a wasteful number, since it uses less digits than its factorization.

1220122120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12614103.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1220122120201 its reverse (1020212210221), we get a palindrome (2240334330422).

The spelling of 1220122120201 in words is "one trillion, two hundred twenty billion, one hundred twenty-two million, one hundred twenty thousand, two hundred one".