221011240103433 has 24 divisors (see below), whose sum is σ = 344093437148552. Its totient is φ = 135888957739008.

The previous prime is 221011240103377. The next prime is 221011240103483. The reversal of 221011240103433 is 334301042110122.

221011240103433 is a `hidden beast` number, since 2 + 2 + 1 + 0 + 1 + 124 + 0 + 103 + 433 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 63898728094224 + 157112512009209 = 7993668^2 + 12534453^2 .

It is not a de Polignac number, because 221011240103433 - 2⁹ = 221011240102921 is a prime.

It is a super-2 number, since 2×221011240103433² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221011240103397 and 221011240103406.

It is not an unprimeable number, because it can be changed into a prime (221011240103483) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 819025966 + ... + 819295767.

Almost surely, 2^{221011240103433} is an apocalyptic number.

It is an amenable number.

221011240103433 is a deficient number, since it is larger than the sum of its proper divisors (123082197045119).

221011240103433 is a wasteful number, since it uses less digits than its factorization.

221011240103433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638322905 (or 1638322902 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 221011240103433 its reverse (334301042110122), we get a palindrome (555312282213555).

The spelling of 221011240103433 in words is "two hundred twenty-one trillion, eleven billion, two hundred forty million, one hundred three thousand, four hundred thirty-three".