1001111122002 has 16 divisors (see below), whose sum is σ = 2002426607520. Its totient is φ = 333669646752.

The previous prime is 1001111121977. The next prime is 1001111122057. The reversal of 1001111122002 is 2002211111001.

It is a super-2 number, since 2×1001111122002² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8451427 + ... + 8569062.

It is an arithmetic number, because the mean of its divisors is an integer number (125151662970).

Almost surely, 2^{1001111122002} is an apocalyptic number.

1001111122002 is an abundant number, since it is smaller than the sum of its proper divisors (1001315485518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1001111122002 is a wasteful number, since it uses less digits than its factorization.

1001111122002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17030297.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1001111122002 its reverse (2002211111001), we get a palindrome (3003322233003).

The spelling of 1001111122002 in words is "one trillion, one billion, one hundred eleven million, one hundred twenty-two thousand, two".