1002012101111 has 8 divisors (see below), whose sum is σ = 1150911244800. Its totient is φ = 854551596888.

The previous prime is 1002012101059. The next prime is 1002012101119. The reversal of 1002012101111 is 1111012102001.

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 1002012101111 - 2¹⁰ = 1002012100087 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002012101092 and 1002012101101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002012101119) 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, 359658371 + ... + 359661156.

It is an arithmetic number, because the mean of its divisors is an integer number (143863905600).

Almost surely, 2^{1002012101111} is an apocalyptic number.

1002012101111 is a deficient number, since it is larger than the sum of its proper divisors (148899143689).

1002012101111 is an equidigital number, since it uses as much as digits as its factorization.

1002012101111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719319733.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1002012101111 its reverse (1111012102001), we get a palindrome (2113024203112).

The spelling of 1002012101111 in words is "one trillion, two billion, twelve million, one hundred one thousand, one hundred eleven".