20022201101201 has 6 divisors (see below), whose sum is σ = 21680844979590. Its totient is φ = 18482031785568.

The previous prime is 20022201101191. The next prime is 20022201101209. The reversal of 20022201101201 is 10210110222002.

It can be written as a sum of positive squares in 3 ways, for example, as 1254668814400 + 18767532286801 = 1120120^2 + 4332151^2 .

It is a de Polignac number, because none of the positive numbers 2^k-20022201101201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20022201101209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59237281196 + ... + 59237281533.

It is an arithmetic number, because the mean of its divisors is an integer number (3613474163265).

Almost surely, 2^{20022201101201} is an apocalyptic number.

It is an amenable number.

20022201101201 is a deficient number, since it is larger than the sum of its proper divisors (1658643878389).

20022201101201 is a wasteful number, since it uses less digits than its factorization.

20022201101201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118474562755 (or 118474562742 counting only the distinct ones).

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

Adding to 20022201101201 its reverse (10210110222002), we get a palindrome (30232311323203).

The spelling of 20022201101201 in words is "twenty trillion, twenty-two billion, two hundred one million, one hundred one thousand, two hundred one".