1002120102011 has 8 divisors (see below), whose sum is σ = 1146318457344. Its totient is φ = 858181331880.

The previous prime is 1002120102007. The next prime is 1002120102019. The reversal of 1002120102011 is 1102010212001.

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 1002120102011 - 2² = 1002120102007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002120101983 and 1002120102001.

It is not an unprimeable number, because it can be changed into a prime (1002120102019) 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, 64888025 + ... + 64903466.

It is an arithmetic number, because the mean of its divisors is an integer number (143289807168).

Almost surely, 2^{1002120102011} is an apocalyptic number.

1002120102011 is a deficient number, since it is larger than the sum of its proper divisors (144198355333).

1002120102011 is a wasteful number, since it uses less digits than its factorization.

1002120102011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129792601.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1002120102011 its reverse (1102010212001), we get a palindrome (2104130314012).

The spelling of 1002120102011 in words is "one trillion, two billion, one hundred twenty million, one hundred two thousand, eleven".