211001210221012 has 12 divisors (see below), whose sum is σ = 369459913125940. Its totient is φ = 105441235042176.

The previous prime is 211001210220943. The next prime is 211001210221163. The reversal of 211001210221012 is 210122012100112.

It can be written as a sum of positive squares in 2 ways, for example, as 35163903767056 + 175837306453956 = 5929916^2 + 13260366^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14842509087 + ... + 14842523302.

Almost surely, 2^{211001210221012} is an apocalyptic number.

It is an amenable number.

211001210221012 is a deficient number, since it is larger than the sum of its proper divisors (158458702904928).

211001210221012 is a wasteful number, since it uses less digits than its factorization.

211001210221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29685034170 (or 29685034168 counting only the distinct ones).

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

Adding to 211001210221012 its reverse (210122012100112), we get a palindrome (421123222321124).

The spelling of 211001210221012 in words is "two hundred eleven trillion, one billion, two hundred ten million, two hundred twenty-one thousand, twelve".