211121020000222 has 4 divisors (see below), whose sum is σ = 316681530000336. Its totient is φ = 105560510000110.

The previous prime is 211121020000199. The next prime is 211121020000243. The reversal of 211121020000222 is 222000020121112.

It is a happy number.

211121020000222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 211121020000196 and 211121020000205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52780255000054 + ... + 52780255000057.

It is an arithmetic number, because the mean of its divisors is an integer number (79170382500084).

Almost surely, 2^{211121020000222} is an apocalyptic number.

211121020000222 is a deficient number, since it is larger than the sum of its proper divisors (105560510000114).

211121020000222 is a wasteful number, since it uses less digits than its factorization.

211121020000222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105560510000113.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 211121020000222 its reverse (222000020121112), we get a palindrome (433121040121334).

The spelling of 211121020000222 in words is "two hundred eleven trillion, one hundred twenty-one billion, twenty million, two hundred twenty-two", and thus it is an aban number.