1200220022201 has 2 divisors, whose sum is σ = 1200220022202. Its totient is φ = 1200220022200.

The previous prime is 1200220022119. The next prime is 1200220022237. The reversal of 1200220022201 is 1022200220021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1131627888400 + 68592133801 = 1063780^2 + 261901^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1200220022201 is a prime.

It is not a weakly prime, because it can be changed into another prime (1200220022801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600110011100 + 600110011101.

It is an arithmetic number, because the mean of its divisors is an integer number (600110011101).

Almost surely, 2^{1200220022201} is an apocalyptic number.

It is an amenable number.

1200220022201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200220022201 is an equidigital number, since it uses as much as digits as its factorization.

1200220022201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1200220022201 its reverse (1022200220021), we get a palindrome (2222420242222).

The spelling of 1200220022201 in words is "one trillion, two hundred billion, two hundred twenty million, twenty-two thousand, two hundred one".