211202210221012 has 24 divisors (see below), whose sum is σ = 369643844727360. Its totient is φ = 105589683803520.

The previous prime is 211202210220983. The next prime is 211202210221019. The reversal of 211202210221012 is 210122012202112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211202210221019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1807143003 + ... + 1807259869.

It is an arithmetic number, because the mean of its divisors is an integer number (15401826863640).

Almost surely, 2^{211202210221012} is an apocalyptic number.

It is an amenable number.

211202210221012 is a deficient number, since it is larger than the sum of its proper divisors (158441634506348).

211202210221012 is a wasteful number, since it uses less digits than its factorization.

211202210221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161871 (or 161869 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 211202210221012 its reverse (210122012202112), we get a palindrome (421324222423124).

The spelling of 211202210221012 in words is "two hundred eleven trillion, two hundred two billion, two hundred ten million, two hundred twenty-one thousand, twelve".