2210001222111 has 32 divisors (see below), whose sum is σ = 3083525867520. Its totient is φ = 1405273350624.

The previous prime is 2210001222101. The next prime is 2210001222173. The reversal of 2210001222111 is 1112221000122.

It is not a de Polignac number, because 2210001222111 - 2⁷ = 2210001221983 is a prime.

It is a super-2 number, since 2×2210001222111² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210001222101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54603000 + ... + 54643458.

It is an arithmetic number, because the mean of its divisors is an integer number (96360183360).

Almost surely, 2^{2210001222111} is an apocalyptic number.

2210001222111 is a deficient number, since it is larger than the sum of its proper divisors (873524645409).

2210001222111 is a wasteful number, since it uses less digits than its factorization.

2210001222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42715.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2210001222111 its reverse (1112221000122), we get a palindrome (3322222222233).

The spelling of 2210001222111 in words is "two trillion, two hundred ten billion, one million, two hundred twenty-two thousand, one hundred eleven".