1222101020201 has 4 divisors (see below), whose sum is σ = 1234201030404. Its totient is φ = 1210001010000.

The previous prime is 1222101020197. The next prime is 1222101020209. The reversal of 1222101020201 is 1020201012221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 816556213225 + 405544806976 = 903635^2 + 636824^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222101020201 - 2² = 1222101020197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1222101020209) 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, 6050004950 + ... + 6050005151.

It is an arithmetic number, because the mean of its divisors is an integer number (308550257601).

Almost surely, 2^{1222101020201} is an apocalyptic number.

It is an amenable number.

1222101020201 is a deficient number, since it is larger than the sum of its proper divisors (12100010203).

1222101020201 is a wasteful number, since it uses less digits than its factorization.

1222101020201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12100010202.

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

Adding to 1222101020201 its reverse (1020201012221), we get a palindrome (2242302032422).

It can be divided in two parts, 122210 and 1020201, that added together give a palindrome (1142411).

The spelling of 1222101020201 in words is "one trillion, two hundred twenty-two billion, one hundred one million, twenty thousand, two hundred one".