11220101133131 has 4 divisors (see below), whose sum is σ = 12240110327064. Its totient is φ = 10200091939200.

The previous prime is 11220101133121. The next prime is 11220101133149. The reversal of 11220101133131 is 13133110102211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11220101133131 is a prime.

It is a super-2 number, since 2×11220101133131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11220101133121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 510004596950 + ... + 510004596971.

It is an arithmetic number, because the mean of its divisors is an integer number (3060027581766).

Almost surely, 2^{11220101133131} is an apocalyptic number.

11220101133131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11220101133131 is a deficient number, since it is larger than the sum of its proper divisors (1020009193933).

11220101133131 is a wasteful number, since it uses less digits than its factorization.

11220101133131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020009193932.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 11220101133131 its reverse (13133110102211), we get a palindrome (24353211235342).

The spelling of 11220101133131 in words is "eleven trillion, two hundred twenty billion, one hundred one million, one hundred thirty-three thousand, one hundred thirty-one".