211012020212011 has 4 divisors (see below), whose sum is σ = 211094997808032. Its totient is φ = 210929042615992.

The previous prime is 211012020211999. The next prime is 211012020212029. The reversal of 211012020212011 is 110212020210112.

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-211012020212011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211012020212041) 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, 41488794196 + ... + 41488799281.

It is an arithmetic number, because the mean of its divisors is an integer number (52773749452008).

Almost surely, 2^{211012020212011} is an apocalyptic number.

211012020212011 is a deficient number, since it is larger than the sum of its proper divisors (82977596021).

211012020212011 is an equidigital number, since it uses as much as digits as its factorization.

211012020212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82977596020.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 211012020212011 its reverse (110212020210112), we get a palindrome (321224040422123).

The spelling of 211012020212011 in words is "two hundred eleven trillion, twelve billion, twenty million, two hundred twelve thousand, eleven".