211112120102222 has 4 divisors (see below), whose sum is σ = 316668180153336. Its totient is φ = 105556060051110.

The previous prime is 211112120102207. The next prime is 211112120102231. The reversal of 211112120102222 is 222201021211112.

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 = 211112120102194 and 211112120102203.

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, 52778030025554 + ... + 52778030025557.

It is an arithmetic number, because the mean of its divisors is an integer number (79167045038334).

Almost surely, 2^{211112120102222} is an apocalyptic number.

211112120102222 is a deficient number, since it is larger than the sum of its proper divisors (105556060051114).

211112120102222 is a wasteful number, since it uses less digits than its factorization.

211112120102222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105556060051113.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 211112120102222 its reverse (222201021211112), we get a palindrome (433313141313334).

The spelling of 211112120102222 in words is "two hundred eleven trillion, one hundred twelve billion, one hundred twenty million, one hundred two thousand, two hundred twenty-two".