2221123103111 has 8 divisors (see below), whose sum is σ = 2565575349264. Its totient is φ = 1900426184320.

The previous prime is 2221123103083. The next prime is 2221123103113. The reversal of 2221123103111 is 1113013211222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2221123103111 - 2¹⁸ = 2221122840967 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 (2221123103113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5938831640 + ... + 5938832013.

It is an arithmetic number, because the mean of its divisors is an integer number (320696918658).

Almost surely, 2^{2221123103111} is an apocalyptic number.

2221123103111 is a deficient number, since it is larger than the sum of its proper divisors (344452246153).

2221123103111 is a wasteful number, since it uses less digits than its factorization.

2221123103111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11877663681.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 2221123103111 its reverse (1113013211222), we get a palindrome (3334136314333).

The spelling of 2221123103111 in words is "two trillion, two hundred twenty-one billion, one hundred twenty-three million, one hundred three thousand, one hundred eleven".