1222210020001 has 4 divisors (see below), whose sum is σ = 1275349586112. Its totient is φ = 1169070453892.

The previous prime is 1222210019981. The next prime is 1222210020023. The reversal of 1222210020001 is 1000200122221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1222210020001 - 2⁷ = 1222210019873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222210020091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26569783021 + ... + 26569783066.

It is an arithmetic number, because the mean of its divisors is an integer number (318837396528).

Almost surely, 2^{1222210020001} is an apocalyptic number.

It is an amenable number.

1222210020001 is a deficient number, since it is larger than the sum of its proper divisors (53139566111).

1222210020001 is an equidigital number, since it uses as much as digits as its factorization.

1222210020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53139566110.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1222210020001 its reverse (1000200122221), we get a palindrome (2222410142222).

The spelling of 1222210020001 in words is "one trillion, two hundred twenty-two billion, two hundred ten million, twenty thousand, one".