2122221302111 has 16 divisors (see below), whose sum is σ = 2319765765120. Its totient is φ = 1932767840640.

The previous prime is 2122221302099. The next prime is 2122221302137. The reversal of 2122221302111 is 1112031222212.

It is not a de Polignac number, because 2122221302111 - 2¹⁰ = 2122221301087 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 (2122221302141) 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, 5471960 + ... + 5846946.

It is an arithmetic number, because the mean of its divisors is an integer number (144985360320).

Almost surely, 2^{2122221302111} is an apocalyptic number.

2122221302111 is a deficient number, since it is larger than the sum of its proper divisors (197544463009).

2122221302111 is a wasteful number, since it uses less digits than its factorization.

2122221302111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385774.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 2122221302111 its reverse (1112031222212), we get a palindrome (3234252524323).

The spelling of 2122221302111 in words is "two trillion, one hundred twenty-two billion, two hundred twenty-one million, three hundred two thousand, one hundred eleven".