11221132021131 has 8 divisors (see below), whose sum is σ = 15748957222720. Its totient is φ = 7087030750152.

The previous prime is 11221132021103. The next prime is 11221132021159. The reversal of 11221132021131 is 13112023112211.

It is an interprime number because it is at equal distance from previous prime (11221132021103) and next prime (11221132021159).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11221132021131 - 2²⁷ = 11220997803403 is a prime.

It is a super-2 number, since 2×11221132021131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11221132021098 and 11221132021107.

It is not an unprimeable number, because it can be changed into a prime (11221132028131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98430982585 + ... + 98430982698.

It is an arithmetic number, because the mean of its divisors is an integer number (1968619652840).

Almost surely, 2^{11221132021131} is an apocalyptic number.

11221132021131 is a deficient number, since it is larger than the sum of its proper divisors (4527825201589).

11221132021131 is a wasteful number, since it uses less digits than its factorization.

11221132021131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196861965305.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 11221132021131 its reverse (13112023112211), we get a palindrome (24333155133342).

The spelling of 11221132021131 in words is "eleven trillion, two hundred twenty-one billion, one hundred thirty-two million, twenty-one thousand, one hundred thirty-one".