2102010002011 has 4 divisors (see below), whose sum is σ = 2212642107400. Its totient is φ = 1991377896624.

The previous prime is 2102010001981. The next prime is 2102010002017. The reversal of 2102010002011 is 1102000102012.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2102010002011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102010002017) 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, 55316052666 + ... + 55316052703.

It is an arithmetic number, because the mean of its divisors is an integer number (553160526850).

Almost surely, 2^{2102010002011} is an apocalyptic number.

2102010002011 is a deficient number, since it is larger than the sum of its proper divisors (110632105389).

2102010002011 is a wasteful number, since it uses less digits than its factorization.

2102010002011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110632105388.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2102010002011 its reverse (1102000102012), we get a palindrome (3204010104023).

The spelling of 2102010002011 in words is "two trillion, one hundred two billion, ten million, two thousand, eleven".