11101221122203 has 8 divisors (see below), whose sum is σ = 11249721547200. Its totient is φ = 10952920163328.

The previous prime is 11101221122143. The next prime is 11101221122219. The reversal of 11101221122203 is 30222112210111.

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 11101221122203 - 2¹⁷ = 11101220991131 is a prime.

It is a super-2 number, since 2×11101221122203² (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 (11101221122263) 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, 49754476 + ... + 49977097.

It is an arithmetic number, because the mean of its divisors is an integer number (1406215193400).

Almost surely, 2^{11101221122203} is an apocalyptic number.

11101221122203 is a deficient number, since it is larger than the sum of its proper divisors (148500424997).

11101221122203 is an equidigital number, since it uses as much as digits as its factorization.

11101221122203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99733061.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 11101221122203 its reverse (30222112210111), we get a palindrome (41323333332314).

The spelling of 11101221122203 in words is "eleven trillion, one hundred one billion, two hundred twenty-one million, one hundred twenty-two thousand, two hundred three".