2212210022111 has 4 divisors (see below), whose sum is σ = 2213760275832. Its totient is φ = 2210659768392.

The previous prime is 2212210022101. The next prime is 2212210022129. The reversal of 2212210022111 is 1112200122122.

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 2212210022111 - 2³⁴ = 2195030152927 is a prime.

It is a super-2 number, since 2×2212210022111² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2212210022111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212210022101) 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, 775124720 + ... + 775127573.

It is an arithmetic number, because the mean of its divisors is an integer number (553440068958).

Almost surely, 2^{2212210022111} is an apocalyptic number.

2212210022111 is a deficient number, since it is larger than the sum of its proper divisors (1550253721).

2212210022111 is a wasteful number, since it uses less digits than its factorization.

2212210022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1550253720.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2212210022111 its reverse (1112200122122), we get a palindrome (3324410144233).

The spelling of 2212210022111 in words is "two trillion, two hundred twelve billion, two hundred ten million, twenty-two thousand, one hundred eleven".