2221210102111 has 64 divisors (see below), whose sum is σ = 2997315449856. Its totient is φ = 1589652864000.

The previous prime is 2221210102081. The next prime is 2221210102121. The reversal of 2221210102111 is 1112010121222.

It is a cyclic number.

It is not a de Polignac number, because 2221210102111 - 2¹¹ = 2221210100063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221210102121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 435443461 + ... + 435448561.

It is an arithmetic number, because the mean of its divisors is an integer number (46833053904).

Almost surely, 2^{2221210102111} is an apocalyptic number.

2221210102111 is a deficient number, since it is larger than the sum of its proper divisors (776105347745).

2221210102111 is a wasteful number, since it uses less digits than its factorization.

2221210102111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7232.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2221210102111 its reverse (1112010121222), we get a palindrome (3333220223333).

The spelling of 2221210102111 in words is "two trillion, two hundred twenty-one billion, two hundred ten million, one hundred two thousand, one hundred eleven".