211122222002222 has 8 divisors (see below), whose sum is σ = 316684423231176. Its totient is φ = 105560747591832.

The previous prime is 211122222002171. The next prime is 211122222002227. The reversal of 211122222002222 is 222200222221112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×211122222002222² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211122222002227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180977873 + ... + 182140700.

It is an arithmetic number, because the mean of its divisors is an integer number (39585552903897).

Almost surely, 2^{211122222002222} is an apocalyptic number.

211122222002222 is a deficient number, since it is larger than the sum of its proper divisors (105562201228954).

211122222002222 is a wasteful number, since it uses less digits than its factorization.

211122222002222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363409282.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 211122222002222 its reverse (222200222221112), we get a palindrome (433322444223334).

The spelling of 211122222002222 in words is "two hundred eleven trillion, one hundred twenty-two billion, two hundred twenty-two million, two thousand, two hundred twenty-two".