1001002212001 has 16 divisors (see below), whose sum is σ = 1103407599168. Its totient is φ = 900500198400.

The previous prime is 1001002211983. The next prime is 1001002212013. The reversal of 1001002212001 is 1002122001001.

It is not a de Polignac number, because 1001002212001 - 2⁷ = 1001002211873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001002212901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8469846 + ... + 8587216.

It is an arithmetic number, because the mean of its divisors is an integer number (68962974948).

Almost surely, 2^{1001002212001} is an apocalyptic number.

1001002212001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1001002212001 is a deficient number, since it is larger than the sum of its proper divisors (102405387167).

1001002212001 is a wasteful number, since it uses less digits than its factorization.

1001002212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125472.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1001002212001 its reverse (1002122001001), we get a palindrome (2003124213002).

The spelling of 1001002212001 in words is "one trillion, one billion, two million, two hundred twelve thousand, one".