211121112001222 has 16 divisors (see below), whose sum is σ = 328485349170000. Its totient is φ = 101693253053952.

The previous prime is 211121112001207. The next prime is 211121112001237. The reversal of 211121112001222 is 222100211121112.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (211121112001207) and next prime (211121112001237).

It is a self number, because there is not a number n which added to its sum of digits gives 211121112001222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16814354347 + ... + 16814366902.

It is an arithmetic number, because the mean of its divisors is an integer number (20530334323125).

Almost surely, 2^{211121112001222} is an apocalyptic number.

211121112001222 is a deficient number, since it is larger than the sum of its proper divisors (117364237168778).

211121112001222 is a wasteful number, since it uses less digits than its factorization.

211121112001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33628721367.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 211121112001222 its reverse (222100211121112), we get a palindrome (433221323122334).

The spelling of 211121112001222 in words is "two hundred eleven trillion, one hundred twenty-one billion, one hundred twelve million, one thousand, two hundred twenty-two".