22101222002111 has 16 divisors (see below), whose sum is σ = 25311908505600. Its totient is φ = 18903879764448.

The previous prime is 22101222002059. The next prime is 22101222002183. The reversal of 22101222002111 is 11120022210122.

It is a de Polignac number, because none of the positive numbers 2^k-22101222002111 is a prime.

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 22101222002111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101222002191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220721525 + ... + 220821633.

It is an arithmetic number, because the mean of its divisors is an integer number (1581994281600).

Almost surely, 2^{22101222002111} is an apocalyptic number.

22101222002111 is a deficient number, since it is larger than the sum of its proper divisors (3210686503489).

22101222002111 is a wasteful number, since it uses less digits than its factorization.

22101222002111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166438.

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

Adding to 22101222002111 its reverse (11120022210122), we get a palindrome (33221244212233).

The spelling of 22101222002111 in words is "twenty-two trillion, one hundred one billion, two hundred twenty-two million, two thousand, one hundred eleven".