1222020122201 has 8 divisors (see below), whose sum is σ = 1229275643904. Its totient is φ = 1214773533280.

The previous prime is 1222020122189. The next prime is 1222020122221. The reversal of 1222020122201 is 1022210202221.

It is a happy number.

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 1222020122201 - 2⁶ = 1222020122137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1222020122201.

It is not an unprimeable number, because it can be changed into a prime (1222020122221) 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 7 ways as a sum of consecutive naturals, for example, 1958681 + ... + 2506086.

It is an arithmetic number, because the mean of its divisors is an integer number (153659455488).

Almost surely, 2^{1222020122201} is an apocalyptic number.

It is an amenable number.

1222020122201 is a deficient number, since it is larger than the sum of its proper divisors (7255521703).

1222020122201 is a wasteful number, since it uses less digits than its factorization.

1222020122201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4466391.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1222020122201 its reverse (1022210202221), we get a palindrome (2244230324422).

The spelling of 1222020122201 in words is "one trillion, two hundred twenty-two billion, twenty million, one hundred twenty-two thousand, two hundred one".