2221101101112 has 128 divisors (see below), whose sum is σ = 5673127299840. Its totient is φ = 724514918400.

The previous prime is 2221101101081. The next prime is 2221101101137. The reversal of 2221101101112 is 2111011011222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2221101101091 and 2221101101100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136247362 + ... + 136263662.

It is an arithmetic number, because the mean of its divisors is an integer number (44321307030).

Almost surely, 2^{2221101101112} is an apocalyptic number.

It is an amenable number.

2221101101112 is an abundant number, since it is smaller than the sum of its proper divisors (3452026198728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2221101101112 is a wasteful number, since it uses less digits than its factorization.

2221101101112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17061 (or 17057 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2221101101112 its reverse (2111011011222), we get a palindrome (4332112112334).

It can be divided in two parts, 222110110 and 1112, that added together give a palindrome (222111222).

The spelling of 2221101101112 in words is "two trillion, two hundred twenty-one billion, one hundred one million, one hundred one thousand, one hundred twelve".