2102012101011 has 4 divisors (see below), whose sum is σ = 2802682801352. Its totient is φ = 1401341400672.

The previous prime is 2102012101003. The next prime is 2102012101051. The reversal of 2102012101011 is 1101012102012.

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

It is not a de Polignac number, because 2102012101011 - 2³ = 2102012101003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102012101051) 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, 350335350166 + ... + 350335350171.

It is an arithmetic number, because the mean of its divisors is an integer number (700670700338).

Almost surely, 2^{2102012101011} is an apocalyptic number.

2102012101011 is a deficient number, since it is larger than the sum of its proper divisors (700670700341).

2102012101011 is an equidigital number, since it uses as much as digits as its factorization.

2102012101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700670700340.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2102012101011 its reverse (1101012102012), we get a palindrome (3203024203023).

The spelling of 2102012101011 in words is "two trillion, one hundred two billion, twelve million, one hundred one thousand, eleven".