202444100111 has 16 divisors (see below), whose sum is σ = 224172074880. Its totient is φ = 181270800480.

The previous prime is 202444100107. The next prime is 202444100149. The reversal of 202444100111 is 111001444202.

It is not a de Polignac number, because 202444100111 - 2² = 202444100107 is a prime.

It is a super-2 number, since 2×202444100111² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202444100101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9761525 + ... + 9782241.

It is an arithmetic number, because the mean of its divisors is an integer number (14010754680).

Almost surely, 2^202444100111 is an apocalyptic number.

202444100111 is a deficient number, since it is larger than the sum of its proper divisors (21727974769).

202444100111 is a wasteful number, since it uses less digits than its factorization.

202444100111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34054.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 202444100111 its reverse (111001444202), we get a palindrome (313445544313).

The spelling of 202444100111 in words is "two hundred two billion, four hundred forty-four million, one hundred thousand, one hundred eleven".