1220201000201 has 8 divisors (see below), whose sum is σ = 1239238805640. Its totient is φ = 1201305800448.

The previous prime is 1220201000171. The next prime is 1220201000203. The reversal of 1220201000201 is 1020001020221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 249276524176 + 970924476025 = 499276^2 + 985355^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1220201000201 is a prime.

It is a super-3 number, since 3×1220201000201³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220201000203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35634176 + ... + 35668401.

It is an arithmetic number, because the mean of its divisors is an integer number (154904850705).

Almost surely, 2^{1220201000201} is an apocalyptic number.

It is an amenable number.

1220201000201 is a deficient number, since it is larger than the sum of its proper divisors (19037805439).

1220201000201 is a wasteful number, since it uses less digits than its factorization.

1220201000201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71302843.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1220201000201 its reverse (1020001020221), we get a palindrome (2240202020422).

The spelling of 1220201000201 in words is "one trillion, two hundred twenty billion, two hundred one million, two hundred one", and thus it is an aban number.