1222222111101 has 96 divisors (see below), whose sum is σ = 1906074892800. Its totient is φ = 752962129920.

The previous prime is 1222222111093. The next prime is 1222222111109. The reversal of 1222222111101 is 1011112222221.

1222222111101 is a `hidden beast` number, since 122 + 222 + 211 + 110 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (1222222111093) and next prime (1222222111109).

It is not a de Polignac number, because 1222222111101 - 2³ = 1222222111093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222222111109) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 147803595 + ... + 147811863.

It is an arithmetic number, because the mean of its divisors is an integer number (19854946800).

Almost surely, 2^{1222222111101} is an apocalyptic number.

It is an amenable number.

1222222111101 is a deficient number, since it is larger than the sum of its proper divisors (683852781699).

1222222111101 is a wasteful number, since it uses less digits than its factorization.

1222222111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8571 (or 8568 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 1222222111101 its reverse (1011112222221), we get a palindrome (2233334333322).

The spelling of 1222222111101 in words is "one trillion, two hundred twenty-two billion, two hundred twenty-two million, one hundred eleven thousand, one hundred one".