1220222332201 has 4 divisors (see below), whose sum is σ = 1237408562304. Its totient is φ = 1203036102100.

The previous prime is 1220222332159. The next prime is 1220222332211. The reversal of 1220222332201 is 1022332220221.

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 1220222332201 - 2⁷ = 1220222332073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220222332211) 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, 8593114945 + ... + 8593115086.

It is an arithmetic number, because the mean of its divisors is an integer number (309352140576).

Almost surely, 2^{1220222332201} is an apocalyptic number.

It is an amenable number.

1220222332201 is a deficient number, since it is larger than the sum of its proper divisors (17186230103).

1220222332201 is an equidigital number, since it uses as much as digits as its factorization.

1220222332201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17186230102.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 1220222332201 its reverse (1022332220221), we get a palindrome (2242554552422).

The spelling of 1220222332201 in words is "one trillion, two hundred twenty billion, two hundred twenty-two million, three hundred thirty-two thousand, two hundred one".