1220201102201 has 2 divisors, whose sum is σ = 1220201102202. Its totient is φ = 1220201102200.

The previous prime is 1220201102189. The next prime is 1220201102209. The reversal of 1220201102201 is 1022011020221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1185670543225 + 34530558976 = 1088885^2 + 185824^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220201102201 - 2⁶ = 1220201102137 is a prime.

It is not a weakly prime, because it can be changed into another prime (1220201102209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610100551100 + 610100551101.

It is an arithmetic number, because the mean of its divisors is an integer number (610100551101).

Almost surely, 2^{1220201102201} is an apocalyptic number.

It is an amenable number.

1220201102201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220201102201 is an equidigital number, since it uses as much as digits as its factorization.

1220201102201 is an evil number, because the sum of its binary digits is even.

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

Adding to 1220201102201 its reverse (1022011020221), we get a palindrome (2242212122422).

It can be divided in two parts, 122020 and 1102201, that added together give a palindrome (1224221).

The spelling of 1220201102201 in words is "one trillion, two hundred twenty billion, two hundred one million, one hundred two thousand, two hundred one".