211002100001011 has 4 divisors (see below), whose sum is σ = 230184109092024. Its totient is φ = 191820090910000.

The previous prime is 211002100000999. The next prime is 211002100001023. The reversal of 211002100001011 is 110100001200112.

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

It is an interprime number because it is at equal distance from previous prime (211002100000999) and next prime (211002100001023).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211002100001011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211002100001041) 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, 9591004545490 + ... + 9591004545511.

It is an arithmetic number, because the mean of its divisors is an integer number (57546027273006).

Almost surely, 2^{211002100001011} is an apocalyptic number.

211002100001011 is a deficient number, since it is larger than the sum of its proper divisors (19182009091013).

211002100001011 is a wasteful number, since it uses less digits than its factorization.

211002100001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19182009091012.

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

Adding to 211002100001011 its reverse (110100001200112), we get a palindrome (321102101201123).

The spelling of 211002100001011 in words is "two hundred eleven trillion, two billion, one hundred million, one thousand, eleven".