1002101201011 has 4 divisors (see below), whose sum is σ = 1002182374872. Its totient is φ = 1002020027152.

The previous prime is 1002101200979. The next prime is 1002101201053. The reversal of 1002101201011 is 1101021012001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1002101201011 - 2⁵ = 1002101200979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002101201081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40568410 + ... + 40593103.

It is an arithmetic number, because the mean of its divisors is an integer number (250545593718).

Almost surely, 2^{1002101201011} is an apocalyptic number.

1002101201011 is a deficient number, since it is larger than the sum of its proper divisors (81173861).

1002101201011 is an equidigital number, since it uses as much as digits as its factorization.

1002101201011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81173860.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1002101201011 its reverse (1101021012001), we get a palindrome (2103122213012).

The spelling of 1002101201011 in words is "one trillion, two billion, one hundred one million, two hundred one thousand, eleven".