22002120200201 has 4 divisors (see below), whose sum is σ = 22058680920900. Its totient is φ = 21945559479504.

The previous prime is 22002120200171. The next prime is 22002120200287. The reversal of 22002120200201 is 10200202120022.

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 8116510404601 + 13885609795600 = 2848949^2 + 3726340^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22002120200201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22002120260201) 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, 28280359766 + ... + 28280360543.

It is an arithmetic number, because the mean of its divisors is an integer number (5514670230225).

Almost surely, 2^{22002120200201} is an apocalyptic number.

It is an amenable number.

22002120200201 is a deficient number, since it is larger than the sum of its proper divisors (56560720699).

22002120200201 is an equidigital number, since it uses as much as digits as its factorization.

22002120200201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56560720698.

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

Adding to 22002120200201 its reverse (10200202120022), we get a palindrome (32202322320223).

The spelling of 22002120200201 in words is "twenty-two trillion, two billion, one hundred twenty million, two hundred thousand, two hundred one".