1122211222101 has 12 divisors (see below), whose sum is σ = 1621019465728. Its totient is φ = 748118799144.

The previous prime is 1122211222081. The next prime is 1122211222109. The reversal of 1122211222101 is 1012221122211.

1122211222101 is a `hidden beast` number, since 112 + 221 + 122 + 210 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-1122211222101 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 (1122211222109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1508755 + ... + 2126208.

Almost surely, 2^{1122211222101} is an apocalyptic number.

It is an amenable number.

1122211222101 is a deficient number, since it is larger than the sum of its proper divisors (498808243627).

1122211222101 is a wasteful number, since it uses less digits than its factorization.

1122211222101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3669272 (or 3669269 counting only the distinct ones).

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

Adding to 1122211222101 its reverse (1012221122211), we get a palindrome (2134432344312).

It can be divided in two parts, 112221122210 and 1, that added together give a palindrome (112221122211).

The spelling of 1122211222101 in words is "one trillion, one hundred twenty-two billion, two hundred eleven million, two hundred twenty-two thousand, one hundred one".