1002222222001 has 48 divisors (see below), whose sum is σ = 1435590559872. Its totient is φ = 678474339840.

The previous prime is 1002222221989. The next prime is 1002222222041.

1002222222001 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1002222222001 - 2¹¹ = 1002222219953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1002222222041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2489875 + ... + 2864248.

It is an arithmetic number, because the mean of its divisors is an integer number (29908136664).

Almost surely, 2^{1002222222001} is an apocalyptic number.

1002222222001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1002222222001 is a deficient number, since it is larger than the sum of its proper divisors (433368337871).

1002222222001 is a wasteful number, since it uses less digits than its factorization.

1002222222001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5354182 (or 5354171 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The spelling of 1002222222001 in words is "one trillion, two billion, two hundred twenty-two million, two hundred twenty-two thousand, one".