2210122222111 has 4 divisors (see below), whose sum is σ = 2220596735224. Its totient is φ = 2199647709000.

The previous prime is 2210122222097. The next prime is 2210122222151. The reversal of 2210122222111 is 1112222210122.

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

It is a cyclic number.

It is not a de Polignac number, because 2210122222111 - 2²³ = 2210113833503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210122222151) 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, 5237256240 + ... + 5237256661.

It is an arithmetic number, because the mean of its divisors is an integer number (555149183806).

Almost surely, 2^{2210122222111} is an apocalyptic number.

2210122222111 is a deficient number, since it is larger than the sum of its proper divisors (10474513113).

2210122222111 is a wasteful number, since it uses less digits than its factorization.

2210122222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10474513112.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2210122222111 its reverse (1112222210122), we get a palindrome (3322344432233).

The spelling of 2210122222111 in words is "two trillion, two hundred ten billion, one hundred twenty-two million, two hundred twenty-two thousand, one hundred eleven".