1131222110101 has 8 divisors (see below), whose sum is σ = 1170241637400. Its totient is φ = 1092203374080.

The previous prime is 1131222110089. The next prime is 1131222110113. The reversal of 1131222110101 is 1010112221311.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1131222110089) and next prime (1131222110113).

It can be written as a sum of positive squares in 4 ways, for example, as 20527439076 + 1110694671025 = 143274^2 + 1053895^2 .

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 1131222110101 - 2²⁵ = 1131188555669 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 (1131222140101) 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, 5315421 + ... + 5524141.

It is an arithmetic number, because the mean of its divisors is an integer number (146280204675).

Almost surely, 2^{1131222110101} is an apocalyptic number.

It is an amenable number.

1131222110101 is a deficient number, since it is larger than the sum of its proper divisors (39019527299).

1131222110101 is a wasteful number, since it uses less digits than its factorization.

1131222110101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395639.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 1131222110101 its reverse (1010112221311), we get a palindrome (2141334331412).

The spelling of 1131222110101 in words is "one trillion, one hundred thirty-one billion, two hundred twenty-two million, one hundred ten thousand, one hundred one".