22012201210001 has 8 divisors (see below), whose sum is σ = 22373290506600. Its totient is φ = 21651119447040.

The previous prime is 22012201209893. The next prime is 22012201210019. The reversal of 22012201210001 is 10001210221022.

It can be written as a sum of positive squares in 4 ways, for example, as 6350394960001 + 15661806250000 = 2519999^2 + 3957500^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 22012201210001 - 2²⁶ = 22012134101137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22012203210001) 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, 4166315 + ... + 7834703.

It is an arithmetic number, because the mean of its divisors is an integer number (2796661313325).

Almost surely, 2^{22012201210001} is an apocalyptic number.

It is an amenable number.

22012201210001 is a deficient number, since it is larger than the sum of its proper divisors (361089296599).

22012201210001 is an equidigital number, since it uses as much as digits as its factorization.

22012201210001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3766819.

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

Adding to 22012201210001 its reverse (10001210221022), we get a palindrome (32013411431023).

It can be divided in two parts, 220 and 12201210001, that added together give a palindrome (12201210221).

The spelling of 22012201210001 in words is "twenty-two trillion, twelve billion, two hundred one million, two hundred ten thousand, one".