101111220233 has 4 divisors (see below), whose sum is σ = 101112330900. Its totient is φ = 101110109568.

The previous prime is 101111220209. The next prime is 101111220293. The reversal of 101111220233 is 332022111101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 332022111101 = 424679 ⋅781819.

It can be written as a sum of positive squares in 2 ways, for example, as 49267573369 + 51843646864 = 221963^2 + 227692^2 .

It is a cyclic number.

It is not a de Polignac number, because 101111220233 - 2¹⁴ = 101111203849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101111220293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405260 + ... + 605357.

It is an arithmetic number, because the mean of its divisors is an integer number (25278082725).

Almost surely, 2^101111220233 is an apocalyptic number.

It is an amenable number.

101111220233 is a deficient number, since it is larger than the sum of its proper divisors (1110667).

101111220233 is a wasteful number, since it uses less digits than its factorization.

101111220233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110666.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 101111220233 its reverse (332022111101), we get a palindrome (433133331334).

The spelling of 101111220233 in words is "one hundred one billion, one hundred eleven million, two hundred twenty thousand, two hundred thirty-three".