1002101212111 has 8 divisors (see below), whose sum is σ = 1008536327984. Its totient is φ = 995669599680.

The previous prime is 1002101212097. The next prime is 1002101212157. The reversal of 1002101212111 is 1112121012001.

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 1002101212111 - 2²⁹ = 1001564341199 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002101212091 and 1002101212100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002101212171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300750 + ... + 1447291.

It is an arithmetic number, because the mean of its divisors is an integer number (126067040998).

Almost surely, 2^{1002101212111} is an apocalyptic number.

1002101212111 is a deficient number, since it is larger than the sum of its proper divisors (6435115873).

1002101212111 is a wasteful number, since it uses less digits than its factorization.

1002101212111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1751721.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1002101212111 its reverse (1112121012001), we get a palindrome (2114222224112).

The spelling of 1002101212111 in words is "one trillion, two billion, one hundred one million, two hundred twelve thousand, one hundred eleven".