211201101222 has 32 divisors (see below), whose sum is σ = 428603751648. Its totient is φ = 69373979136.

The previous prime is 211201101127. The next prime is 211201101233. The reversal of 211201101222 is 222101102112.

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, 783013 + ... + 1017600.

It is an arithmetic number, because the mean of its divisors is an integer number (13393867239).

Almost surely, 2^211201101222 is an apocalyptic number.

211201101222 is an abundant number, since it is smaller than the sum of its proper divisors (217402650426).

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

211201101222 is a wasteful number, since it uses less digits than its factorization.

211201101222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800904.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 211201101222 its reverse (222101102112), we get a palindrome (433302203334).

The spelling of 211201101222 in words is "two hundred eleven billion, two hundred one million, one hundred one thousand, two hundred twenty-two".