11100312221131 has 8 divisors (see below), whose sum is σ = 12700536420320. Its totient is φ = 9503704349568.

The previous prime is 11100312221107. The next prime is 11100312221183. The reversal of 11100312221131 is 13112221300111.

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 11100312221131 - 2⁷ = 11100312221003 is a prime.

It is a super-2 number, since 2×11100312221131² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11100312221099 and 11100312221108.

It is not an unprimeable number, because it can be changed into a prime (11100312227131) 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, 904075326 + ... + 904087603.

It is an arithmetic number, because the mean of its divisors is an integer number (1587567052540).

Almost surely, 2^{11100312221131} is an apocalyptic number.

11100312221131 is a deficient number, since it is larger than the sum of its proper divisors (1600224199189).

11100312221131 is an equidigital number, since it uses as much as digits as its factorization.

11100312221131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1808163813.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 11100312221131 its reverse (13112221300111), we get a palindrome (24212533521242).

The spelling of 11100312221131 in words is "eleven trillion, one hundred billion, three hundred twelve million, two hundred twenty-one thousand, one hundred thirty-one".