201100145026 has 16 divisors (see below), whose sum is σ = 337099135968. Its totient is φ = 89179664800.

The previous prime is 201100144997. The next prime is 201100145033. The reversal of 201100145026 is 620541001102.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 201100144988 and 201100145006.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111473680 + ... + 111475483.

It is an arithmetic number, because the mean of its divisors is an integer number (21068695998).

Almost surely, 2^201100145026 is an apocalyptic number.

201100145026 is a deficient number, since it is larger than the sum of its proper divisors (135998990942).

201100145026 is a wasteful number, since it uses less digits than its factorization.

201100145026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222949217.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 201100145026 its reverse (620541001102), we get a palindrome (821641146128).

The spelling of 201100145026 in words is "two hundred one billion, one hundred million, one hundred forty-five thousand, twenty-six".