1220112002201 has 2 divisors, whose sum is σ = 1220112002202. Its totient is φ = 1220112002200.

The previous prime is 1220112002191. The next prime is 1220112002299. The reversal of 1220112002201 is 1022002110221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1217679145225 + 2432856976 = 1103485^2 + 49324^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1220112002201 is a prime.

It is not a weakly prime, because it can be changed into another prime (1220112002101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610056001100 + 610056001101.

It is an arithmetic number, because the mean of its divisors is an integer number (610056001101).

Almost surely, 2^{1220112002201} is an apocalyptic number.

It is an amenable number.

1220112002201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220112002201 is an equidigital number, since it uses as much as digits as its factorization.

1220112002201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1220112002201 its reverse (1022002110221), we get a palindrome (2242114112422).

It can be divided in two parts, 122011 and 2002201, that added together give a palindrome (2124212).

The spelling of 1220112002201 in words is "one trillion, two hundred twenty billion, one hundred twelve million, two thousand, two hundred one".