202211211121001 has 4 divisors (see below), whose sum is σ = 202215347298900. Its totient is φ = 202207074943104.

The previous prime is 202211211120967. The next prime is 202211211121013. The reversal of 202211211121001 is 100121112112202.

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 145831611557776 + 56379599563225 = 12076076^2 + 7508635^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202211211121001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202211211121081) 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, 2068015616 + ... + 2068113393.

It is an arithmetic number, because the mean of its divisors is an integer number (50553836824725).

Almost surely, 2^{202211211121001} is an apocalyptic number.

It is an amenable number.

202211211121001 is a deficient number, since it is larger than the sum of its proper divisors (4136177899).

202211211121001 is an equidigital number, since it uses as much as digits as its factorization.

202211211121001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4136177898.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 202211211121001 its reverse (100121112112202), we get a palindrome (302332323233203).

The spelling of 202211211121001 in words is "two hundred two trillion, two hundred eleven billion, two hundred eleven million, one hundred twenty-one thousand, one".