1222101115105 has 48 divisors (see below), whose sum is σ = 1596949040304. Its totient is φ = 897408046080.

The previous prime is 1222101115063. The next prime is 1222101115129. The reversal of 1222101115105 is 5015111012221.

It is a happy number.

It can be written as a sum of positive squares in 24 ways, for example, as 980925833889 + 241175281216 = 990417^2 + 491096^2 .

It is not a de Polignac number, because 1222101115105 - 2⁹ = 1222101114593 is a prime.

It is a super-2 number, since 2×1222101115105² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 112765747 + ... + 112776583.

It is an arithmetic number, because the mean of its divisors is an integer number (33269771673).

Almost surely, 2^{1222101115105} is an apocalyptic number.

It is an amenable number.

1222101115105 is a deficient number, since it is larger than the sum of its proper divisors (374847925199).

1222101115105 is a wasteful number, since it uses less digits than its factorization.

1222101115105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11606 (or 11593 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 22.

Adding to 1222101115105 its reverse (5015111012221), we get a palindrome (6237212127326).

The spelling of 1222101115105 in words is "one trillion, two hundred twenty-two billion, one hundred one million, one hundred fifteen thousand, one hundred five".