1222002100001 has 8 divisors (see below), whose sum is σ = 1280749955904. Its totient is φ = 1163722354960.

The previous prime is 1222002099979. The next prime is 1222002100003. The reversal of 1222002100001 is 1000012002221.

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 1222002100001 - 2²² = 1221997905697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222002100003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117022370 + ... + 117032811.

It is an arithmetic number, because the mean of its divisors is an integer number (160093744488).

Almost surely, 2^{1222002100001} is an apocalyptic number.

It is an amenable number.

1222002100001 is a deficient number, since it is larger than the sum of its proper divisors (58747855903).

1222002100001 is a wasteful number, since it uses less digits than its factorization.

1222002100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234055431.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1222002100001 its reverse (1000012002221), we get a palindrome (2222014102222).

The spelling of 1222002100001 in words is "one trillion, two hundred twenty-two billion, two million, one hundred thousand, one".