211202221011222 has 32 divisors (see below), whose sum is σ = 482762412576000. Its totient is φ = 60341681863008.

The previous prime is 211202221011167. The next prime is 211202221011233. The reversal of 211202221011222 is 222110122202112.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73993272 + ... + 76794587.

It is an arithmetic number, because the mean of its divisors is an integer number (15086325393000).

Almost surely, 2^{211202221011222} is an apocalyptic number.

211202221011222 is an abundant number, since it is smaller than the sum of its proper divisors (271560191564778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211202221011222 is a wasteful number, since it uses less digits than its factorization.

211202221011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150821220.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 211202221011222 its reverse (222110122202112), we get a palindrome (433312343213334).

The spelling of 211202221011222 in words is "two hundred eleven trillion, two hundred two billion, two hundred twenty-one million, eleven thousand, two hundred twenty-two".