1222110020001 has 32 divisors (see below), whose sum is σ = 1811829698560. Its totient is φ = 727647624000.

The previous prime is 1222110019969. The next prime is 1222110020009. The reversal of 1222110020001 is 1000200112221.

It is not a de Polignac number, because 1222110020001 - 2⁵ = 1222110019969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222110020009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5514390 + ... + 5731728.

It is an arithmetic number, because the mean of its divisors is an integer number (56619678080).

Almost surely, 2^{1222110020001} is an apocalyptic number.

It is an amenable number.

1222110020001 is a deficient number, since it is larger than the sum of its proper divisors (589719678559).

1222110020001 is a wasteful number, since it uses less digits than its factorization.

1222110020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222037.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1222110020001 its reverse (1000200112221), we get a palindrome (2222310132222).

The spelling of 1222110020001 in words is "one trillion, two hundred twenty-two billion, one hundred ten million, twenty thousand, one".