211110120121222 has 64 divisors (see below), whose sum is σ = 363736391574528. Its totient is φ = 90018800640000.

The previous prime is 211110120121213. The next prime is 211110120121247. The reversal of 211110120121222 is 222121021011112.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 211110120121222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5113957222 + ... + 5113998502.

It is an arithmetic number, because the mean of its divisors is an integer number (5683381118352).

Almost surely, 2^{211110120121222} is an apocalyptic number.

211110120121222 is a deficient number, since it is larger than the sum of its proper divisors (152626271453306).

211110120121222 is a wasteful number, since it uses less digits than its factorization.

211110120121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44005.

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

Adding to 211110120121222 its reverse (222121021011112), we get a palindrome (433231141132334).

The spelling of 211110120121222 in words is "two hundred eleven trillion, one hundred ten billion, one hundred twenty million, one hundred twenty-one thousand, two hundred twenty-two".